Remove obsoleted macros.
This commit is contained in:
tsutsui
parent
653eefc8f4
commit
b0fbaa33fb
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@ -1,4 +1,4 @@
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/* $NetBSD: vmparam.h,v 1.15 1999/12/04 21:20:00 ragge Exp $ */
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/* $NetBSD: vmparam.h,v 1.16 2000/01/26 09:44:10 tsutsui Exp $ */
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/*
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/*
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* Copyright (c) 1988 University of Utah.
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* Copyright (c) 1988 University of Utah.
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@ -98,18 +98,6 @@
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#define SHMMAXPGS 1024 /* 8mb */
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#define SHMMAXPGS 1024 /* 8mb */
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#endif
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#endif
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/*
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* Boundary at which to place first MAPMEM segment if not explicitly
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* specified. Should be a power of two. This allows some slop for
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* the data segment to grow underneath the first mapped segment.
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*/
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#define MMSEG 0x200000
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/*
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* The size of the clock loop.
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*/
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#define LOOPPAGES (maxfree - firstfree)
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/*
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/*
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* The time for a process to be blocked before being very swappable.
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* The time for a process to be blocked before being very swappable.
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* This is a number of seconds which the system takes as being a non-trivial
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* This is a number of seconds which the system takes as being a non-trivial
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@ -121,17 +109,6 @@
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*/
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*/
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#define MAXSLP 20
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#define MAXSLP 20
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/*
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* A swapped in process is given a small amount of core without being bothered
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* by the page replacement algorithm. Basically this says that if you are
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* swapped in you deserve some resources. We protect the last SAFERSS
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* pages against paging and will just swap you out rather than paging you.
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* Note that each process has at least UPAGES pages which are not
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* paged anyways, in addition to SAFERSS.
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*/
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#define SAFERSS 10 /* nominal ``small'' resident set size
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protected against replacement */
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/*
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/*
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* Mach derived constants
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* Mach derived constants
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*/
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*/
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@ -1,4 +1,4 @@
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/* $NetBSD: vmparam.h,v 1.23 1999/12/04 21:20:06 ragge Exp $ */
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/* $NetBSD: vmparam.h,v 1.24 2000/01/26 09:44:10 tsutsui Exp $ */
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/*
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/*
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* Copyright (c) 1988 University of Utah.
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* Copyright (c) 1988 University of Utah.
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@ -120,26 +120,6 @@
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*/
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*/
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#define MAXSLP 20
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#define MAXSLP 20
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/*
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* A swapped in process is given a small amount of core without being bothered
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* by the page replacement algorithm. Basically this says that if you are
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* swapped in you deserve some resources. We protect the last SAFERSS
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* pages against paging and will just swap you out rather than paging you.
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* Note that each process has at least UPAGES pages which are not
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* paged anyways (this is currently 8+2=10 pages or 5k bytes), so this
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* number just means a swapped in process is given around 25k bytes.
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* Just for fun: current memory prices are 4600$ a megabyte on VAX (4/22/81),
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* so we loan each swapped in process memory worth 100$, or just admit
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* that we don't consider it worthwhile and swap it out to disk which costs
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* $30/mb or about $0.75.
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* Update: memory prices have changed recently (9/96). At the current
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* value of $6 per megabyte, we lend each swapped in process memory worth
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* $0.15, or just admit that we don't consider it worthwhile and swap it out
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* to disk which costs $0.20/MB, or just under half a cent.
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*/
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#define SAFERSS 4 /* nominal ``small'' resident set size
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protected against replacement */
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/*
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/*
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* user/kernel map constants
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* user/kernel map constants
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*/
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*/
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@ -1,4 +1,4 @@
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/* $NetBSD: vmparam.h,v 1.11 1999/12/04 21:20:16 ragge Exp $ */
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/* $NetBSD: vmparam.h,v 1.12 2000/01/26 09:44:10 tsutsui Exp $ */
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/*
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/*
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* Copyright (c) 1988 University of Utah.
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* Copyright (c) 1988 University of Utah.
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@ -119,26 +119,6 @@
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*/
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*/
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#define MAXSLP 20
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#define MAXSLP 20
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/*
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* A swapped in process is given a small amount of core without being bothered
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* by the page replacement algorithm. Basically this says that if you are
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* swapped in you deserve some resources. We protect the last SAFERSS
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* pages against paging and will just swap you out rather than paging you.
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* Note that each process has at least UPAGES pages which are not
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* paged anyways (this is currently 8+2=10 pages or 5k bytes), so this
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* number just means a swapped in process is given around 25k bytes.
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* Just for fun: current memory prices are 4600$ a megabyte on VAX (4/22/81),
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* so we loan each swapped in process memory worth 100$, or just admit
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* that we don't consider it worthwhile and swap it out to disk which costs
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* $30/mb or about $0.75.
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* Update: memory prices have changed recently (9/96). At the current
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* value of $6 per megabyte, we lend each swapped in process memory worth
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* $0.15, or just admit that we don't consider it worthwhile and swap it out
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* to disk which costs $0.20/MB, or just under half a cent.
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*/
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#define SAFERSS 4 /* nominal ``small'' resident set size
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protected against replacement */
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/*
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/*
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* user/kernel map constants
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* user/kernel map constants
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*/
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*/
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@ -1,4 +1,4 @@
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/* $NetBSD: vmparam.h,v 1.19 1999/12/04 21:20:26 ragge Exp $ */
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/* $NetBSD: vmparam.h,v 1.20 2000/01/26 09:44:11 tsutsui Exp $ */
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/*
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/*
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* Copyright (c) 1988 University of Utah.
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* Copyright (c) 1988 University of Utah.
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@ -120,18 +120,6 @@
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#define EIOMAPSIZE 3584 /* 14mb */
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#define EIOMAPSIZE 3584 /* 14mb */
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#endif
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#endif
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/*
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* Boundary at which to place first MAPMEM segment if not explicitly
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* specified. Should be a power of two. This allows some slop for
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* the data segment to grow underneath the first mapped segment.
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*/
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#define MMSEG 0x200000
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/*
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* The size of the clock loop.
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*/
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#define LOOPPAGES (maxfree - firstfree)
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/*
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/*
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* The time for a process to be blocked before being very swappable.
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* The time for a process to be blocked before being very swappable.
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* This is a number of seconds which the system takes as being a non-trivial
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* This is a number of seconds which the system takes as being a non-trivial
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@ -143,87 +131,6 @@
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*/
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*/
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#define MAXSLP 20
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#define MAXSLP 20
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/*
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* A swapped in process is given a small amount of core without being bothered
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* by the page replacement algorithm. Basically this says that if you are
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* swapped in you deserve some resources. We protect the last SAFERSS
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* pages against paging and will just swap you out rather than paging you.
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* Note that each process has at least UPAGES pages which are not
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* paged anyways (this is currently 8+2=10 pages or 5k bytes), so this
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* number just means a swapped in process is given around 25k bytes.
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* Just for fun: current memory prices are 4600$ a megabyte on VAX (4/22/81),
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* so we loan each swapped in process memory worth 100$, or just admit
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* that we don't consider it worthwhile and swap it out to disk which costs
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* $30/mb or about $0.75.
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* Update: memory prices have changed recently (9/96). At the current
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* value of $6 per megabyte, we lend each swapped in process memory worth
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* $0.15, or just admit that we don't consider it worthwhile and swap it out
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* to disk which costs $0.20/MB, or just under half a cent.
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*/
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#define SAFERSS 4 /* nominal ``small'' resident set size
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protected against replacement */
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/*
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* DISKRPM is used to estimate the number of paging i/o operations
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* which one can expect from a single disk controller.
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*/
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#define DISKRPM 60
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/*
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* Klustering constants. Klustering is the gathering
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* of pages together for pagein/pageout, while clustering
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* is the treatment of hardware page size as though it were
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* larger than it really is.
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*
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* KLMAX gives maximum cluster size in CLSIZE page (cluster-page)
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* units. Note that ctod(KLMAX*CLSIZE) must be <= DMMIN in dmap.h.
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* ctob(KLMAX) should also be less than MAXPHYS (in vm_swp.c)
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* unless you like "big push" panics.
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*/
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#define KLMAX (4/CLSIZE)
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#define KLSEQL (2/CLSIZE) /* in klust if vadvise(VA_SEQL) */
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#define KLIN (4/CLSIZE) /* default data/stack in klust */
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#define KLTXT (4/CLSIZE) /* default text in klust */
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#define KLOUT (4/CLSIZE)
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/*
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* KLSDIST is the advance or retard of the fifo reclaim for sequential
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* processes data space.
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*/
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#define KLSDIST 3 /* klusters advance/retard for seq. fifo */
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/*
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* Paging thresholds (see vm_sched.c).
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* Strategy of 1/19/85:
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* lotsfree is 512k bytes, but at most 1/4 of memory
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* desfree is 200k bytes, but at most 1/8 of memory
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*/
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#define LOTSFREE (512 * 1024)
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#define LOTSFREEFRACT 4
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#define DESFREE (200 * 1024)
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#define DESFREEFRACT 8
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/*
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* There are two clock hands, initially separated by HANDSPREAD bytes
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* (but at most all of user memory). The amount of time to reclaim
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* a page once the pageout process examines it increases with this
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* distance and decreases as the scan rate rises.
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*/
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#define HANDSPREAD (2 * 1024 * 1024)
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/*
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* The number of times per second to recompute the desired paging rate
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* and poke the pagedaemon.
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*/
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#define RATETOSCHEDPAGING 4
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/*
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* Believed threshold (in megabytes) for which interleaved
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* swapping area is desirable.
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*/
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#define LOTSOFMEM 2
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/*
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/*
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* Mach derived constants
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* Mach derived constants
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*/
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*/
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@ -1,4 +1,4 @@
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/* $NetBSD: vmparam.h,v 1.33 1999/12/04 21:20:34 ragge Exp $ */
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/* $NetBSD: vmparam.h,v 1.34 2000/01/26 09:44:11 tsutsui Exp $ */
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/*-
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/*-
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* Copyright (c) 1990 The Regents of the University of California.
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* Copyright (c) 1990 The Regents of the University of California.
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@ -99,28 +99,6 @@
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*/
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*/
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#define MAXSLP 20
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#define MAXSLP 20
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/*
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* A swapped in process is given a small amount of core without being bothered
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* by the page replacement algorithm. Basically this says that if you are
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* swapped in you deserve some resources. We protect the last SAFERSS
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* pages against paging and will just swap you out rather than paging you.
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* Note that each process has at least UPAGES+CLSIZE pages which are not
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* paged anyways (this is currently 8+2=10 pages or 5k bytes), so this
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* number just means a swapped in process is given around 25k bytes.
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* Just for fun: current memory prices are 4600$ a megabyte on VAX (4/22/81),
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* so we loan each swapped in process memory worth 100$, or just admit
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* that we don't consider it worthwhile and swap it out to disk which costs
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* $30/mb or about $0.75.
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* { wfj 6/16/89: Retail AT memory expansion $800/megabyte, loan of $17
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* on disk costing $7/mb or $0.18 (in memory still 100:1 in cost!) }
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* Update: memory prices have changed recently (9/96). At the current
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* value of $6 per megabyte, we lend each swapped in process memory worth
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* $0.15, or just admit that we don't consider it worthwhile and swap it out
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* to disk which costs $0.20/MB, or just under half a cent.
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*/
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#define SAFERSS 8 /* nominal ``small'' resident set size
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protected against replacement */
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/*
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/*
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* Mach derived constants
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* Mach derived constants
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*/
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*/
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@ -1,4 +1,4 @@
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/* $NetBSD: vmparam.h,v 1.23 1999/12/04 21:20:40 ragge Exp $ */
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/* $NetBSD: vmparam.h,v 1.24 2000/01/26 09:44:11 tsutsui Exp $ */
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/*
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/*
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* Copyright (c) 1988 University of Utah.
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* Copyright (c) 1988 University of Utah.
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@ -142,104 +142,6 @@
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#define SHMMAXPGS 1024 /* 4mb */
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#define SHMMAXPGS 1024 /* 4mb */
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#endif
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#endif
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/*
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* The size of the clock loop.
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*/
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#define LOOPPAGES (maxfree - firstfree)
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/*
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* The time for a process to be blocked before being very swappable.
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* This is a number of seconds which the system takes as being a non-trivial
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* amount of real time. You probably shouldn't change this;
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* it is used in subtle ways (fractions and multiples of it are, that is, like
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* half of a ``long time'', almost a long time, etc.)
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* It is related to human patience and other factors which don't really
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* change over time.
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*/
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#define MAXSLP 20
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/*
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* A swapped in process is given a small amount of core without being bothered
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* by the page replacement algorithm. Basically this says that if you are
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* swapped in you deserve some resources. We protect the last SAFERSS
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* pages against paging and will just swap you out rather than paging you.
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* Note that each process has at least UPAGES pages which are not
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* paged anyways (this is currently 8+2=10 pages or 5k bytes), so this
|
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* number just means a swapped in process is given around 25k bytes.
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* Just for fun: current memory prices are 4600$ a megabyte on VAX (4/22/81),
|
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* so we loan each swapped in process memory worth 100$, or just admit
|
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* that we don't consider it worthwhile and swap it out to disk which costs
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|
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* $30/mb or about $0.75.
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* Update: memory prices have changed recently (9/96). At the current
|
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* value of $6 per megabyte, we lend each swapped in process memory worth
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* $0.15, or just admit that we don't consider it worthwhile and swap it out
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* to disk which costs $0.20/MB, or just under half a cent.
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*/
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#define SAFERSS 4 /* nominal ``small'' resident set size
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protected against replacement */
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/*
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* DISKRPM is used to estimate the number of paging i/o operations
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* which one can expect from a single disk controller.
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*/
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#define DISKRPM 3600
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/*
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* Klustering constants. Klustering is the gathering
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* of pages together for pagein/pageout, while clustering
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* is the treatment of hardware page size as though it were
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* larger than it really is.
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*
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* KLMAX gives maximum cluster size in CLSIZE page (cluster-page)
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* units. Note that ctod(KLMAX*CLSIZE) must be <= DMMIN in dmap.h.
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* ctob(KLMAX) should also be less than MAXPHYS (in vm_swp.c)
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* unless you like "big push" panics.
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*/
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#define KLMAX (4/CLSIZE)
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#define KLSEQL (2/CLSIZE) /* in klust if vadvise(VA_SEQL) */
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#define KLIN (4/CLSIZE) /* default data/stack in klust */
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#define KLTXT (4/CLSIZE) /* default text in klust */
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#define KLOUT (4/CLSIZE)
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/*
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* KLSDIST is the advance or retard of the fifo reclaim for sequential
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* processes data space.
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*/
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#define KLSDIST 3 /* klusters advance/retard for seq. fifo */
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/*
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* Paging thresholds (see vm_sched.c).
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* Strategy of 1/19/85:
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* lotsfree is 512k bytes, but at most 1/4 of memory
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|
||||||
* desfree is 200k bytes, but at most 1/8 of memory
|
|
||||||
* Are these still valid in 1995?
|
|
||||||
*/
|
|
||||||
#define LOTSFREE (512 * 1024)
|
|
||||||
#define LOTSFREEFRACT 4
|
|
||||||
#define DESFREE (200 * 1024)
|
|
||||||
#define DESFREEFRACT 8
|
|
||||||
|
|
||||||
/*
|
|
||||||
* There are two clock hands, initially separated by HANDSPREAD bytes
|
|
||||||
* (but at most all of user memory). The amount of time to reclaim
|
|
||||||
* a page once the pageout process examines it increases with this
|
|
||||||
* distance and decreases as the scan rate rises.
|
|
||||||
*/
|
|
||||||
#define HANDSPREAD (2 * 1024 * 1024)
|
|
||||||
|
|
||||||
/*
|
|
||||||
* The number of times per second to recompute the desired paging rate
|
|
||||||
* and poke the pagedaemon.
|
|
||||||
*/
|
|
||||||
#define RATETOSCHEDPAGING 4
|
|
||||||
|
|
||||||
/*
|
|
||||||
* Believed threshold (in megabytes) for which interleaved
|
|
||||||
* swapping area is desirable.
|
|
||||||
*/
|
|
||||||
#define LOTSOFMEM 2
|
|
||||||
|
|
||||||
/*
|
/*
|
||||||
* Mach derived constants
|
* Mach derived constants
|
||||||
*/
|
*/
|
||||||
|
|
|
||||||
|
|
@ -1,4 +1,4 @@
|
||||||
/* $NetBSD: vmparam.h,v 1.18 2000/01/09 20:08:14 simonb Exp $ */
|
/* $NetBSD: vmparam.h,v 1.19 2000/01/26 09:44:11 tsutsui Exp $ */
|
||||||
|
|
||||||
/*
|
/*
|
||||||
* Copyright (c) 1988 University of Utah.
|
* Copyright (c) 1988 University of Utah.
|
||||||
|
|
@ -102,26 +102,6 @@
|
||||||
*/
|
*/
|
||||||
#define MAXSLP 20
|
#define MAXSLP 20
|
||||||
|
|
||||||
/*
|
|
||||||
* A swapped in process is given a small amount of core without being bothered
|
|
||||||
* by the page replacement algorithm. Basically this says that if you are
|
|
||||||
* swapped in you deserve some resources. We protect the last SAFERSS
|
|
||||||
* pages against paging and will just swap you out rather than paging you.
|
|
||||||
* Note that each process has at least UPAGES pages which are not
|
|
||||||
* paged anyways (this is currently 8+2=10 pages or 5k bytes), so this
|
|
||||||
* number just means a swapped in process is given around 25k bytes.
|
|
||||||
* Just for fun: current memory prices are 4600$ a megabyte on VAX (4/22/81),
|
|
||||||
* so we loan each swapped in process memory worth 100$, or just admit
|
|
||||||
* that we don't consider it worthwhile and swap it out to disk which costs
|
|
||||||
* $30/mb or about $0.75.
|
|
||||||
* Update: memory prices have changed recently (9/96). At the current
|
|
||||||
* value of $6 per megabyte, we lend each swapped in process memory worth
|
|
||||||
* $0.15, or just admit that we don't consider it worthwhile and swap it out
|
|
||||||
* to disk which costs $0.20/MB, or just under half a cent.
|
|
||||||
*/
|
|
||||||
#define SAFERSS 4 /* nominal ``small'' resident set size
|
|
||||||
protected against replacement */
|
|
||||||
|
|
||||||
#define mapin(pte, v, pfnum, prot) \
|
#define mapin(pte, v, pfnum, prot) \
|
||||||
(*(int *)(pte) = ((pfnum) << PG_SHIFT) | (prot), MachTLBFlushAddr(v))
|
(*(int *)(pte) = ((pfnum) << PG_SHIFT) | (prot), MachTLBFlushAddr(v))
|
||||||
|
|
||||||
|
|
|
||||||
|
|
@ -1,4 +1,4 @@
|
||||||
/* $NetBSD: vmparam.h,v 1.12 1999/12/04 21:20:53 ragge Exp $ */
|
/* $NetBSD: vmparam.h,v 1.13 2000/01/26 09:44:12 tsutsui Exp $ */
|
||||||
|
|
||||||
/*
|
/*
|
||||||
* Copyright (c) 1988 University of Utah.
|
* Copyright (c) 1988 University of Utah.
|
||||||
|
|
@ -110,18 +110,6 @@
|
||||||
#define SHMMAXPGS 1024 /* 4mb */
|
#define SHMMAXPGS 1024 /* 4mb */
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
/*
|
|
||||||
* Boundary at which to place first MAPMEM segment if not explicitly
|
|
||||||
* specified. Should be a power of two. This allows some slop for
|
|
||||||
* the data segment to grow underneath the first mapped segment.
|
|
||||||
*/
|
|
||||||
#define MMSEG 0x200000
|
|
||||||
|
|
||||||
/*
|
|
||||||
* The size of the clock loop.
|
|
||||||
*/
|
|
||||||
#define LOOPPAGES (maxfree - firstfree)
|
|
||||||
|
|
||||||
/*
|
/*
|
||||||
* The time for a process to be blocked before being very swappable.
|
* The time for a process to be blocked before being very swappable.
|
||||||
* This is a number of seconds which the system takes as being a non-trivial
|
* This is a number of seconds which the system takes as being a non-trivial
|
||||||
|
|
@ -133,87 +121,6 @@
|
||||||
*/
|
*/
|
||||||
#define MAXSLP 20
|
#define MAXSLP 20
|
||||||
|
|
||||||
/*
|
|
||||||
* A swapped in process is given a small amount of core without being bothered
|
|
||||||
* by the page replacement algorithm. Basically this says that if you are
|
|
||||||
* swapped in you deserve some resources. We protect the last SAFERSS
|
|
||||||
* pages against paging and will just swap you out rather than paging you.
|
|
||||||
* Note that each process has at least UPAGES+CLSIZE pages which are not
|
|
||||||
* paged anyways (this is currently 8+2=10 pages or 5k bytes), so this
|
|
||||||
* number just means a swapped in process is given around 25k bytes.
|
|
||||||
* Just for fun: current memory prices are 4600$ a megabyte on VAX (4/22/81),
|
|
||||||
* so we loan each swapped in process memory worth 100$, or just admit
|
|
||||||
* that we don't consider it worthwhile and swap it out to disk which costs
|
|
||||||
* $30/mb or about $0.75.
|
|
||||||
* Update: memory prices have changed recently (9/96). At the current
|
|
||||||
* value of $6 per megabyte, we lend each swapped in process memory worth
|
|
||||||
* $0.15, or just admit that we don't consider it worthwhile and swap it out
|
|
||||||
* to disk which costs $0.20/MB, or just under half a cent.
|
|
||||||
*/
|
|
||||||
#define SAFERSS 4 /* nominal ``small'' resident set size
|
|
||||||
protected against replacement */
|
|
||||||
|
|
||||||
/*
|
|
||||||
* DISKRPM is used to estimate the number of paging i/o operations
|
|
||||||
* which one can expect from a single disk controller.
|
|
||||||
*/
|
|
||||||
#define DISKRPM 60
|
|
||||||
|
|
||||||
/*
|
|
||||||
* Klustering constants. Klustering is the gathering
|
|
||||||
* of pages together for pagein/pageout, while clustering
|
|
||||||
* is the treatment of hardware page size as though it were
|
|
||||||
* larger than it really is.
|
|
||||||
*
|
|
||||||
* KLMAX gives maximum cluster size in CLSIZE page (cluster-page)
|
|
||||||
* units. Note that ctod(KLMAX*CLSIZE) must be <= DMMIN in dmap.h.
|
|
||||||
* ctob(KLMAX) should also be less than MAXPHYS (in vm_swp.c)
|
|
||||||
* unless you like "big push" panics.
|
|
||||||
*/
|
|
||||||
|
|
||||||
#define KLMAX (4/CLSIZE)
|
|
||||||
#define KLSEQL (2/CLSIZE) /* in klust if vadvise(VA_SEQL) */
|
|
||||||
#define KLIN (4/CLSIZE) /* default data/stack in klust */
|
|
||||||
#define KLTXT (4/CLSIZE) /* default text in klust */
|
|
||||||
#define KLOUT (4/CLSIZE)
|
|
||||||
|
|
||||||
/*
|
|
||||||
* KLSDIST is the advance or retard of the fifo reclaim for sequential
|
|
||||||
* processes data space.
|
|
||||||
*/
|
|
||||||
#define KLSDIST 3 /* klusters advance/retard for seq. fifo */
|
|
||||||
|
|
||||||
/*
|
|
||||||
* Paging thresholds (see vm_sched.c).
|
|
||||||
* Strategy of 1/19/85:
|
|
||||||
* lotsfree is 512k bytes, but at most 1/4 of memory
|
|
||||||
* desfree is 200k bytes, but at most 1/8 of memory
|
|
||||||
*/
|
|
||||||
#define LOTSFREE (512 * 1024)
|
|
||||||
#define LOTSFREEFRACT 4
|
|
||||||
#define DESFREE (200 * 1024)
|
|
||||||
#define DESFREEFRACT 8
|
|
||||||
|
|
||||||
/*
|
|
||||||
* There are two clock hands, initially separated by HANDSPREAD bytes
|
|
||||||
* (but at most all of user memory). The amount of time to reclaim
|
|
||||||
* a page once the pageout process examines it increases with this
|
|
||||||
* distance and decreases as the scan rate rises.
|
|
||||||
*/
|
|
||||||
#define HANDSPREAD (2 * 1024 * 1024)
|
|
||||||
|
|
||||||
/*
|
|
||||||
* The number of times per second to recompute the desired paging rate
|
|
||||||
* and poke the pagedaemon.
|
|
||||||
*/
|
|
||||||
#define RATETOSCHEDPAGING 4
|
|
||||||
|
|
||||||
/*
|
|
||||||
* Believed threshold (in megabytes) for which interleaved
|
|
||||||
* swapping area is desirable.
|
|
||||||
*/
|
|
||||||
#define LOTSOFMEM 2
|
|
||||||
|
|
||||||
/*
|
/*
|
||||||
* Mach derived constants
|
* Mach derived constants
|
||||||
*/
|
*/
|
||||||
|
|
|
||||||
|
|
@ -1,4 +1,4 @@
|
||||||
/* $NetBSD: vmparam.h,v 1.1 1999/12/09 14:53:14 tsutsui Exp $ */
|
/* $NetBSD: vmparam.h,v 1.2 2000/01/26 09:44:12 tsutsui Exp $ */
|
||||||
|
|
||||||
/*
|
/*
|
||||||
* Copyright (c) 1988 University of Utah.
|
* Copyright (c) 1988 University of Utah.
|
||||||
|
|
@ -110,18 +110,6 @@
|
||||||
#define SHMMAXPGS 1024 /* 4mb */
|
#define SHMMAXPGS 1024 /* 4mb */
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
/*
|
|
||||||
* Boundary at which to place first MAPMEM segment if not explicitly
|
|
||||||
* specified. Should be a power of two. This allows some slop for
|
|
||||||
* the data segment to grow underneath the first mapped segment.
|
|
||||||
*/
|
|
||||||
#define MMSEG 0x200000
|
|
||||||
|
|
||||||
/*
|
|
||||||
* The size of the clock loop.
|
|
||||||
*/
|
|
||||||
#define LOOPPAGES (maxfree - firstfree)
|
|
||||||
|
|
||||||
/*
|
/*
|
||||||
* The time for a process to be blocked before being very swappable.
|
* The time for a process to be blocked before being very swappable.
|
||||||
* This is a number of seconds which the system takes as being a non-trivial
|
* This is a number of seconds which the system takes as being a non-trivial
|
||||||
|
|
@ -133,87 +121,6 @@
|
||||||
*/
|
*/
|
||||||
#define MAXSLP 20
|
#define MAXSLP 20
|
||||||
|
|
||||||
/*
|
|
||||||
* A swapped in process is given a small amount of core without being bothered
|
|
||||||
* by the page replacement algorithm. Basically this says that if you are
|
|
||||||
* swapped in you deserve some resources. We protect the last SAFERSS
|
|
||||||
* pages against paging and will just swap you out rather than paging you.
|
|
||||||
* Note that each process has at least UPAGES pages which are not
|
|
||||||
* paged anyways (this is currently 8+2=10 pages or 5k bytes), so this
|
|
||||||
* number just means a swapped in process is given around 25k bytes.
|
|
||||||
* Just for fun: current memory prices are 4600$ a megabyte on VAX (4/22/81),
|
|
||||||
* so we loan each swapped in process memory worth 100$, or just admit
|
|
||||||
* that we don't consider it worthwhile and swap it out to disk which costs
|
|
||||||
* $30/mb or about $0.75.
|
|
||||||
* Update: memory prices have changed recently (9/96). At the current
|
|
||||||
* value of $6 per megabyte, we lend each swapped in process memory worth
|
|
||||||
* $0.15, or just admit that we don't consider it worthwhile and swap it out
|
|
||||||
* to disk which costs $0.20/MB, or just under half a cent.
|
|
||||||
*/
|
|
||||||
#define SAFERSS 4 /* nominal ``small'' resident set size
|
|
||||||
protected against replacement */
|
|
||||||
|
|
||||||
/*
|
|
||||||
* DISKRPM is used to estimate the number of paging i/o operations
|
|
||||||
* which one can expect from a single disk controller.
|
|
||||||
*/
|
|
||||||
#define DISKRPM 60
|
|
||||||
|
|
||||||
/*
|
|
||||||
* Klustering constants. Klustering is the gathering
|
|
||||||
* of pages together for pagein/pageout, while clustering
|
|
||||||
* is the treatment of hardware page size as though it were
|
|
||||||
* larger than it really is.
|
|
||||||
*
|
|
||||||
* KLMAX gives maximum cluster size in page
|
|
||||||
* units. Note that ctod(KLMAX) must be <= DMMIN in dmap.h.
|
|
||||||
* ctob(KLMAX) should also be less than MAXPHYS (in vm_swp.c)
|
|
||||||
* unless you like "big push" panics.
|
|
||||||
*/
|
|
||||||
|
|
||||||
#define KLMAX 4
|
|
||||||
#define KLSEQL 2 /* in klust if vadvise(VA_SEQL) */
|
|
||||||
#define KLIN 4 /* default data/stack in klust */
|
|
||||||
#define KLTXT 4 /* default text in klust */
|
|
||||||
#define KLOUT 4
|
|
||||||
|
|
||||||
/*
|
|
||||||
* KLSDIST is the advance or retard of the fifo reclaim for sequential
|
|
||||||
* processes data space.
|
|
||||||
*/
|
|
||||||
#define KLSDIST 3 /* klusters advance/retard for seq. fifo */
|
|
||||||
|
|
||||||
/*
|
|
||||||
* Paging thresholds (see vm_sched.c).
|
|
||||||
* Strategy of 1/19/85:
|
|
||||||
* lotsfree is 512k bytes, but at most 1/4 of memory
|
|
||||||
* desfree is 200k bytes, but at most 1/8 of memory
|
|
||||||
*/
|
|
||||||
#define LOTSFREE (512 * 1024)
|
|
||||||
#define LOTSFREEFRACT 4
|
|
||||||
#define DESFREE (200 * 1024)
|
|
||||||
#define DESFREEFRACT 8
|
|
||||||
|
|
||||||
/*
|
|
||||||
* There are two clock hands, initially separated by HANDSPREAD bytes
|
|
||||||
* (but at most all of user memory). The amount of time to reclaim
|
|
||||||
* a page once the pageout process examines it increases with this
|
|
||||||
* distance and decreases as the scan rate rises.
|
|
||||||
*/
|
|
||||||
#define HANDSPREAD (2 * 1024 * 1024)
|
|
||||||
|
|
||||||
/*
|
|
||||||
* The number of times per second to recompute the desired paging rate
|
|
||||||
* and poke the pagedaemon.
|
|
||||||
*/
|
|
||||||
#define RATETOSCHEDPAGING 4
|
|
||||||
|
|
||||||
/*
|
|
||||||
* Believed threshold (in megabytes) for which interleaved
|
|
||||||
* swapping area is desirable.
|
|
||||||
*/
|
|
||||||
#define LOTSOFMEM 2
|
|
||||||
|
|
||||||
/*
|
/*
|
||||||
* Mach derived constants
|
* Mach derived constants
|
||||||
*/
|
*/
|
||||||
|
|
|
||||||
|
|
@ -1,4 +1,4 @@
|
||||||
/* $NetBSD: vmparam.h,v 1.6 1999/12/04 21:21:02 ragge Exp $ */
|
/* $NetBSD: vmparam.h,v 1.7 2000/01/26 09:44:12 tsutsui Exp $ */
|
||||||
|
|
||||||
/*
|
/*
|
||||||
* This file was taken from from mvme68k/include/vmparam.h and
|
* This file was taken from from mvme68k/include/vmparam.h and
|
||||||
|
|
@ -117,18 +117,6 @@
|
||||||
#define SHMMAXPGS 1024 /* 4mb */
|
#define SHMMAXPGS 1024 /* 4mb */
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
/*
|
|
||||||
* Boundary at which to place first MAPMEM segment if not explicitly
|
|
||||||
* specified. Should be a power of two. This allows some slop for
|
|
||||||
* the data segment to grow underneath the first mapped segment.
|
|
||||||
*/
|
|
||||||
#define MMSEG 0x200000
|
|
||||||
|
|
||||||
/*
|
|
||||||
* The size of the clock loop.
|
|
||||||
*/
|
|
||||||
#define LOOPPAGES (maxfree - firstfree)
|
|
||||||
|
|
||||||
/*
|
/*
|
||||||
* The time for a process to be blocked before being very swappable.
|
* The time for a process to be blocked before being very swappable.
|
||||||
* This is a number of seconds which the system takes as being a non-trivial
|
* This is a number of seconds which the system takes as being a non-trivial
|
||||||
|
|
@ -140,87 +128,6 @@
|
||||||
*/
|
*/
|
||||||
#define MAXSLP 20
|
#define MAXSLP 20
|
||||||
|
|
||||||
/*
|
|
||||||
* A swapped in process is given a small amount of core without being bothered
|
|
||||||
* by the page replacement algorithm. Basically this says that if you are
|
|
||||||
* swapped in you deserve some resources. We protect the last SAFERSS
|
|
||||||
* pages against paging and will just swap you out rather than paging you.
|
|
||||||
* Note that each process has at least UPAGES+CLSIZE pages which are not
|
|
||||||
* paged anyways (this is currently 8+2=10 pages or 5k bytes), so this
|
|
||||||
* number just means a swapped in process is given around 25k bytes.
|
|
||||||
* Just for fun: current memory prices are 4600$ a megabyte on VAX (4/22/81),
|
|
||||||
* so we loan each swapped in process memory worth 100$, or just admit
|
|
||||||
* that we don't consider it worthwhile and swap it out to disk which costs
|
|
||||||
* $30/mb or about $0.75.
|
|
||||||
* Update: memory prices have changed recently (9/96). At the current
|
|
||||||
* value of $6 per megabyte, we lend each swapped in process memory worth
|
|
||||||
* $0.15, or just admit that we don't consider it worthwhile and swap it out
|
|
||||||
* to disk which costs $0.20/MB, or just under half a cent.
|
|
||||||
*/
|
|
||||||
#define SAFERSS 4 /* nominal ``small'' resident set size
|
|
||||||
protected against replacement */
|
|
||||||
|
|
||||||
/*
|
|
||||||
* DISKRPM is used to estimate the number of paging i/o operations
|
|
||||||
* which one can expect from a single disk controller.
|
|
||||||
*/
|
|
||||||
#define DISKRPM 60
|
|
||||||
|
|
||||||
/*
|
|
||||||
* Klustering constants. Klustering is the gathering
|
|
||||||
* of pages together for pagein/pageout, while clustering
|
|
||||||
* is the treatment of hardware page size as though it were
|
|
||||||
* larger than it really is.
|
|
||||||
*
|
|
||||||
* KLMAX gives maximum cluster size in CLSIZE page (cluster-page)
|
|
||||||
* units. Note that ctod(KLMAX*CLSIZE) must be <= DMMIN in dmap.h.
|
|
||||||
* ctob(KLMAX) should also be less than MAXPHYS (in vm_swp.c)
|
|
||||||
* unless you like "big push" panics.
|
|
||||||
*/
|
|
||||||
|
|
||||||
#define KLMAX (4/CLSIZE)
|
|
||||||
#define KLSEQL (2/CLSIZE) /* in klust if vadvise(VA_SEQL) */
|
|
||||||
#define KLIN (4/CLSIZE) /* default data/stack in klust */
|
|
||||||
#define KLTXT (4/CLSIZE) /* default text in klust */
|
|
||||||
#define KLOUT (4/CLSIZE)
|
|
||||||
|
|
||||||
/*
|
|
||||||
* KLSDIST is the advance or retard of the fifo reclaim for sequential
|
|
||||||
* processes data space.
|
|
||||||
*/
|
|
||||||
#define KLSDIST 3 /* klusters advance/retard for seq. fifo */
|
|
||||||
|
|
||||||
/*
|
|
||||||
* Paging thresholds (see vm_sched.c).
|
|
||||||
* Strategy of 1/19/85:
|
|
||||||
* lotsfree is 512k bytes, but at most 1/4 of memory
|
|
||||||
* desfree is 200k bytes, but at most 1/8 of memory
|
|
||||||
*/
|
|
||||||
#define LOTSFREE (512 * 1024)
|
|
||||||
#define LOTSFREEFRACT 4
|
|
||||||
#define DESFREE (200 * 1024)
|
|
||||||
#define DESFREEFRACT 8
|
|
||||||
|
|
||||||
/*
|
|
||||||
* There are two clock hands, initially separated by HANDSPREAD bytes
|
|
||||||
* (but at most all of user memory). The amount of time to reclaim
|
|
||||||
* a page once the pageout process examines it increases with this
|
|
||||||
* distance and decreases as the scan rate rises.
|
|
||||||
*/
|
|
||||||
#define HANDSPREAD (2 * 1024 * 1024)
|
|
||||||
|
|
||||||
/*
|
|
||||||
* The number of times per second to recompute the desired paging rate
|
|
||||||
* and poke the pagedaemon.
|
|
||||||
*/
|
|
||||||
#define RATETOSCHEDPAGING 4
|
|
||||||
|
|
||||||
/*
|
|
||||||
* Believed threshold (in megabytes) for which interleaved
|
|
||||||
* swapping area is desirable.
|
|
||||||
*/
|
|
||||||
#define LOTSOFMEM 2
|
|
||||||
|
|
||||||
/*
|
/*
|
||||||
* Mach derived constants
|
* Mach derived constants
|
||||||
*/
|
*/
|
||||||
|
|
|
||||||
|
|
@ -1,4 +1,4 @@
|
||||||
/* $NetBSD: vmparam.h,v 1.19 1999/12/04 21:21:11 ragge Exp $ */
|
/* $NetBSD: vmparam.h,v 1.20 2000/01/26 09:44:12 tsutsui Exp $ */
|
||||||
|
|
||||||
/*-
|
/*-
|
||||||
* Copyright (c) 1990 The Regents of the University of California.
|
* Copyright (c) 1990 The Regents of the University of California.
|
||||||
|
|
@ -107,28 +107,6 @@
|
||||||
*/
|
*/
|
||||||
#define MAXSLP 20
|
#define MAXSLP 20
|
||||||
|
|
||||||
/*
|
|
||||||
* A swapped in process is given a small amount of core without being bothered
|
|
||||||
* by the page replacement algorithm. Basically this says that if you are
|
|
||||||
* swapped in you deserve some resources. We protect the last SAFERSS
|
|
||||||
* pages against paging and will just swap you out rather than paging you.
|
|
||||||
* Note that each process has at least UPAGES+CLSIZE pages which are not
|
|
||||||
* paged anyways (this is currently 8+2=10 pages or 5k bytes), so this
|
|
||||||
* number just means a swapped in process is given around 25k bytes.
|
|
||||||
* Just for fun: current memory prices are 4600$ a megabyte on VAX (4/22/81),
|
|
||||||
* so we loan each swapped in process memory worth 100$, or just admit
|
|
||||||
* that we don't consider it worthwhile and swap it out to disk which costs
|
|
||||||
* $30/mb or about $0.75.
|
|
||||||
* { wfj 6/16/89: Retail AT memory expansion $800/megabyte, loan of $17
|
|
||||||
* on disk costing $7/mb or $0.18 (in memory still 100:1 in cost!) }
|
|
||||||
* Update: memory prices have changed recently (9/96). At the current
|
|
||||||
* value of $6 per megabyte, we lend each swapped in process memory worth
|
|
||||||
* $0.15, or just admit that we don't consider it worthwhile and swap it out
|
|
||||||
* to disk which costs $0.20/MB, or just under half a cent.
|
|
||||||
*/
|
|
||||||
#define SAFERSS 8 /* nominal ``small'' resident set size
|
|
||||||
protected against replacement */
|
|
||||||
|
|
||||||
/*
|
/*
|
||||||
* Mach derived constants
|
* Mach derived constants
|
||||||
*/
|
*/
|
||||||
|
|
|
||||||
|
|
@ -1,4 +1,4 @@
|
||||||
/* $NetBSD: vmparam.h,v 1.3 1999/12/04 21:21:24 ragge Exp $ */
|
/* $NetBSD: vmparam.h,v 1.4 2000/01/26 09:44:12 tsutsui Exp $ */
|
||||||
|
|
||||||
/*-
|
/*-
|
||||||
* Copyright (c) 1990 The Regents of the University of California.
|
* Copyright (c) 1990 The Regents of the University of California.
|
||||||
|
|
@ -99,28 +99,6 @@
|
||||||
*/
|
*/
|
||||||
#define MAXSLP 20
|
#define MAXSLP 20
|
||||||
|
|
||||||
/*
|
|
||||||
* A swapped in process is given a small amount of core without being bothered
|
|
||||||
* by the page replacement algorithm. Basically this says that if you are
|
|
||||||
* swapped in you deserve some resources. We protect the last SAFERSS
|
|
||||||
* pages against paging and will just swap you out rather than paging you.
|
|
||||||
* Note that each process has at least UPAGES+CLSIZE pages which are not
|
|
||||||
* paged anyways (this is currently 8+2=10 pages or 5k bytes), so this
|
|
||||||
* number just means a swapped in process is given around 25k bytes.
|
|
||||||
* Just for fun: current memory prices are 4600$ a megabyte on VAX (4/22/81),
|
|
||||||
* so we loan each swapped in process memory worth 100$, or just admit
|
|
||||||
* that we don't consider it worthwhile and swap it out to disk which costs
|
|
||||||
* $30/mb or about $0.75.
|
|
||||||
* { wfj 6/16/89: Retail AT memory expansion $800/megabyte, loan of $17
|
|
||||||
* on disk costing $7/mb or $0.18 (in memory still 100:1 in cost!) }
|
|
||||||
* Update: memory prices have changed recently (9/96). At the current
|
|
||||||
* value of $6 per megabyte, we lend each swapped in process memory worth
|
|
||||||
* $0.15, or just admit that we don't consider it worthwhile and swap it out
|
|
||||||
* to disk which costs $0.20/MB, or just under half a cent.
|
|
||||||
*/
|
|
||||||
#define SAFERSS 8 /* nominal ``small'' resident set size
|
|
||||||
protected against replacement */
|
|
||||||
|
|
||||||
/*
|
/*
|
||||||
* Mach derived constants
|
* Mach derived constants
|
||||||
*/
|
*/
|
||||||
|
|
|
||||||
|
|
@ -1,4 +1,4 @@
|
||||||
/* $NetBSD: vmparam.h,v 1.23 2000/01/26 07:35:52 cjs Exp $ */
|
/* $NetBSD: vmparam.h,v 1.24 2000/01/26 09:44:12 tsutsui Exp $ */
|
||||||
|
|
||||||
/*
|
/*
|
||||||
* Copyright (c) 1992, 1993
|
* Copyright (c) 1992, 1993
|
||||||
|
|
@ -92,26 +92,6 @@
|
||||||
*/
|
*/
|
||||||
#define MAXSLP 20
|
#define MAXSLP 20
|
||||||
|
|
||||||
/*
|
|
||||||
* A swapped in process is given a small amount of core without being bothered
|
|
||||||
* by the page replacement algorithm. Basically this says that if you are
|
|
||||||
* swapped in you deserve some resources. We protect the last SAFERSS
|
|
||||||
* pages against paging and will just swap you out rather than paging you.
|
|
||||||
* Note that each process has at least UPAGES pages which are not
|
|
||||||
* paged anyways (this is currently 8+2=10 pages or 5k bytes), so this
|
|
||||||
* number just means a swapped in process is given around 25k bytes.
|
|
||||||
* Just for fun: current memory prices are 4600$ a megabyte on VAX (4/22/81),
|
|
||||||
* so we loan each swapped in process memory worth 100$, or just admit
|
|
||||||
* that we don't consider it worthwhile and swap it out to disk which costs
|
|
||||||
* $30/mb or about $0.75.
|
|
||||||
* Update: memory prices have changed recently (9/96). At the current
|
|
||||||
* value of $6 per megabyte, we lend each swapped in process memory worth
|
|
||||||
* $0.15, or just admit that we don't consider it worthwhile and swap it out
|
|
||||||
* to disk which costs $0.20/MB, or just under half a cent.
|
|
||||||
*/
|
|
||||||
#define SAFERSS 4 /* nominal ``small'' resident set size
|
|
||||||
protected against replacement */
|
|
||||||
|
|
||||||
/*
|
/*
|
||||||
* Mach derived constants
|
* Mach derived constants
|
||||||
*/
|
*/
|
||||||
|
|
|
||||||
|
|
@ -1,4 +1,4 @@
|
||||||
/* $NetBSD: vmparam.h,v 1.8 1999/12/04 21:21:34 ragge Exp $ */
|
/* $NetBSD: vmparam.h,v 1.9 2000/01/26 09:44:13 tsutsui Exp $ */
|
||||||
|
|
||||||
/*
|
/*
|
||||||
* Copyright (c) 1992, 1993
|
* Copyright (c) 1992, 1993
|
||||||
|
|
@ -92,26 +92,6 @@
|
||||||
*/
|
*/
|
||||||
#define MAXSLP 20
|
#define MAXSLP 20
|
||||||
|
|
||||||
/*
|
|
||||||
* A swapped in process is given a small amount of core without being bothered
|
|
||||||
* by the page replacement algorithm. Basically this says that if you are
|
|
||||||
* swapped in you deserve some resources. We protect the last SAFERSS
|
|
||||||
* pages against paging and will just swap you out rather than paging you.
|
|
||||||
* Note that each process has at least UPAGES pages which are not
|
|
||||||
* paged anyways (this is currently 8+2=10 pages or 5k bytes), so this
|
|
||||||
* number just means a swapped in process is given around 25k bytes.
|
|
||||||
* Just for fun: current memory prices are 4600$ a megabyte on VAX (4/22/81),
|
|
||||||
* so we loan each swapped in process memory worth 100$, or just admit
|
|
||||||
* that we don't consider it worthwhile and swap it out to disk which costs
|
|
||||||
* $30/mb or about $0.75.
|
|
||||||
* Update: memory prices have changed recently (9/96). At the current
|
|
||||||
* value of $6 per megabyte, we lend each swapped in process memory worth
|
|
||||||
* $0.15, or just admit that we don't consider it worthwhile and swap it out
|
|
||||||
* to disk which costs $0.20/MB, or just under half a cent.
|
|
||||||
*/
|
|
||||||
#define SAFERSS 4 /* nominal ``small'' resident set size
|
|
||||||
protected against replacement */
|
|
||||||
|
|
||||||
/*
|
/*
|
||||||
* Mach derived constants
|
* Mach derived constants
|
||||||
*/
|
*/
|
||||||
|
|
|
||||||
|
|
@ -1,4 +1,4 @@
|
||||||
/* $NetBSD: vmparam.h,v 1.24 1999/12/04 21:21:41 ragge Exp $ */
|
/* $NetBSD: vmparam.h,v 1.25 2000/01/26 09:44:13 tsutsui Exp $ */
|
||||||
|
|
||||||
/*-
|
/*-
|
||||||
* Copyright (c) 1998 The NetBSD Foundation, Inc.
|
* Copyright (c) 1998 The NetBSD Foundation, Inc.
|
||||||
|
|
@ -60,23 +60,3 @@ struct pmap_physseg {
|
||||||
* change over time.
|
* change over time.
|
||||||
*/
|
*/
|
||||||
#define MAXSLP 20
|
#define MAXSLP 20
|
||||||
|
|
||||||
/*
|
|
||||||
* A swapped in process is given a small amount of core without being bothered
|
|
||||||
* by the page replacement algorithm. Basically this says that if you are
|
|
||||||
* swapped in you deserve some resources. We protect the last SAFERSS
|
|
||||||
* pages against paging and will just swap you out rather than paging you.
|
|
||||||
* Note that each process has at least UPAGES pages which are not
|
|
||||||
* paged anyways (this is currently 8+2=10 pages or 5k bytes), so this
|
|
||||||
* number just means a swapped in process is given around 25k bytes.
|
|
||||||
* Just for fun: current memory prices are 4600$ a megabyte on VAX (4/22/81),
|
|
||||||
* so we loan each swapped in process memory worth 100$, or just admit
|
|
||||||
* that we don't consider it worthwhile and swap it out to disk which costs
|
|
||||||
* $30/mb or about $0.75.
|
|
||||||
* Update: memory prices have changed recently (9/96). At the current
|
|
||||||
* value of $6 per megabyte, we lend each swapped in process memory worth
|
|
||||||
* $0.15, or just admit that we don't consider it worthwhile and swap it out
|
|
||||||
* to disk which costs $0.20/MB, or just under half a cent.
|
|
||||||
*/
|
|
||||||
#define SAFERSS 4 /* nominal ``small'' resident set size
|
|
||||||
protected against replacement */
|
|
||||||
|
|
|
||||||
|
|
@ -1,4 +1,4 @@
|
||||||
/* $NetBSD: vmparam.h,v 1.28 1999/12/12 14:39:19 ragge Exp $ */
|
/* $NetBSD: vmparam.h,v 1.29 2000/01/26 09:44:13 tsutsui Exp $ */
|
||||||
|
|
||||||
/*-
|
/*-
|
||||||
* Copyright (c) 1990 The Regents of the University of California.
|
* Copyright (c) 1990 The Regents of the University of California.
|
||||||
|
|
@ -104,26 +104,6 @@
|
||||||
|
|
||||||
#define MAXSLP 20
|
#define MAXSLP 20
|
||||||
|
|
||||||
/*
|
|
||||||
* A swapped in process is given a small amount of core without being bothered
|
|
||||||
* by the page replacement algorithm. Basically this says that if you are
|
|
||||||
* swapped in you deserve some resources. We protect the last SAFERSS
|
|
||||||
* pages against paging and will just swap you out rather than paging you.
|
|
||||||
* Note that each process has at least UPAGES+CLSIZE pages which are not
|
|
||||||
* paged anyways (this is currently 8+2=10 pages or 5k bytes), so this
|
|
||||||
* number just means a swapped in process is given around 25k bytes.
|
|
||||||
* Just for fun: current memory prices are 4600$ a megabyte on VAX (4/22/81),
|
|
||||||
* so we loan each swapped in process memory worth 100$, or just admit
|
|
||||||
* that we don't consider it worthwhile and swap it out to disk which costs
|
|
||||||
* $30/mb or about $0.75.
|
|
||||||
* Update: memory prices have changed recently (9/96). At the current
|
|
||||||
* value of $6 per megabyte, we lend each swapped in process memory worth
|
|
||||||
* $0.15, or just admit that we don't consider it worthwhile and swap it out
|
|
||||||
* to disk which costs $0.20/MB, or just under half a cent.
|
|
||||||
*/
|
|
||||||
|
|
||||||
#define SAFERSS 8 /* nominal ``small'' resident set size
|
|
||||||
protected against replacement */
|
|
||||||
#define VM_PHYSSEG_MAX 1
|
#define VM_PHYSSEG_MAX 1
|
||||||
#define VM_PHYSSEG_NOADD
|
#define VM_PHYSSEG_NOADD
|
||||||
#define VM_PHYSSEG_STRAT VM_PSTRAT_BSEARCH /* XXX */
|
#define VM_PHYSSEG_STRAT VM_PSTRAT_BSEARCH /* XXX */
|
||||||
|
|
|
||||||
|
|
@ -1,4 +1,4 @@
|
||||||
/* $NetBSD: vmparam.h,v 1.12 2000/01/15 14:47:25 minoura Exp $ */
|
/* $NetBSD: vmparam.h,v 1.13 2000/01/26 09:44:13 tsutsui Exp $ */
|
||||||
|
|
||||||
/*
|
/*
|
||||||
* Copyright (c) 1988 University of Utah.
|
* Copyright (c) 1988 University of Utah.
|
||||||
|
|
@ -111,18 +111,6 @@
|
||||||
#define EIOMAPSIZE 0
|
#define EIOMAPSIZE 0
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
/*
|
|
||||||
* Boundary at which to place first MAPMEM segment if not explicitly
|
|
||||||
* specified. Should be a power of two. This allows some slop for
|
|
||||||
* the data segment to grow underneath the first mapped segment.
|
|
||||||
*/
|
|
||||||
#define MMSEG 0x200000
|
|
||||||
|
|
||||||
/*
|
|
||||||
* The size of the clock loop.
|
|
||||||
*/
|
|
||||||
#define LOOPPAGES (maxfree - firstfree)
|
|
||||||
|
|
||||||
/*
|
/*
|
||||||
* The time for a process to be blocked before being very swappable.
|
* The time for a process to be blocked before being very swappable.
|
||||||
* This is a number of seconds which the system takes as being a non-trivial
|
* This is a number of seconds which the system takes as being a non-trivial
|
||||||
|
|
@ -134,87 +122,6 @@
|
||||||
*/
|
*/
|
||||||
#define MAXSLP 20
|
#define MAXSLP 20
|
||||||
|
|
||||||
/*
|
|
||||||
* A swapped in process is given a small amount of core without being bothered
|
|
||||||
* by the page replacement algorithm. Basically this says that if you are
|
|
||||||
* swapped in you deserve some resources. We protect the last SAFERSS
|
|
||||||
* pages against paging and will just swap you out rather than paging you.
|
|
||||||
* Note that each process has at least UPAGES+CLSIZE pages which are not
|
|
||||||
* paged anyways (this is currently 8+2=10 pages or 5k bytes), so this
|
|
||||||
* number just means a swapped in process is given around 25k bytes.
|
|
||||||
* Just for fun: current memory prices are 4600$ a megabyte on VAX (4/22/81),
|
|
||||||
* so we loan each swapped in process memory worth 100$, or just admit
|
|
||||||
* that we don't consider it worthwhile and swap it out to disk which costs
|
|
||||||
* $30/mb or about $0.75.
|
|
||||||
* Update: memory prices have changed recently (9/96). At the current
|
|
||||||
* value of $6 per megabyte, we lend each swapped in process memory worth
|
|
||||||
* $0.15, or just admit that we don't consider it worthwhile and swap it out
|
|
||||||
* to disk which costs $0.20/MB, or just under half a cent.
|
|
||||||
*/
|
|
||||||
#define SAFERSS 4 /* nominal ``small'' resident set size
|
|
||||||
protected against replacement */
|
|
||||||
|
|
||||||
/*
|
|
||||||
* DISKRPM is used to estimate the number of paging i/o operations
|
|
||||||
* which one can expect from a single disk controller.
|
|
||||||
*/
|
|
||||||
#define DISKRPM 60
|
|
||||||
|
|
||||||
/*
|
|
||||||
* Klustering constants. Klustering is the gathering
|
|
||||||
* of pages together for pagein/pageout, while clustering
|
|
||||||
* is the treatment of hardware page size as though it were
|
|
||||||
* larger than it really is.
|
|
||||||
*
|
|
||||||
* KLMAX gives maximum cluster size in CLSIZE page (cluster-page)
|
|
||||||
* units. Note that ctod(KLMAX*CLSIZE) must be <= DMMIN in dmap.h.
|
|
||||||
* ctob(KLMAX) should also be less than MAXPHYS (in vm_swp.c)
|
|
||||||
* unless you like "big push" panics.
|
|
||||||
*/
|
|
||||||
|
|
||||||
#define KLMAX (4/CLSIZE)
|
|
||||||
#define KLSEQL (2/CLSIZE) /* in klust if vadvise(VA_SEQL) */
|
|
||||||
#define KLIN (4/CLSIZE) /* default data/stack in klust */
|
|
||||||
#define KLTXT (4/CLSIZE) /* default text in klust */
|
|
||||||
#define KLOUT (4/CLSIZE)
|
|
||||||
|
|
||||||
/*
|
|
||||||
* KLSDIST is the advance or retard of the fifo reclaim for sequential
|
|
||||||
* processes data space.
|
|
||||||
*/
|
|
||||||
#define KLSDIST 3 /* klusters advance/retard for seq. fifo */
|
|
||||||
|
|
||||||
/*
|
|
||||||
* Paging thresholds (see vm_sched.c).
|
|
||||||
* Strategy of 1/19/85:
|
|
||||||
* lotsfree is 512k bytes, but at most 1/4 of memory
|
|
||||||
* desfree is 200k bytes, but at most 1/8 of memory
|
|
||||||
*/
|
|
||||||
#define LOTSFREE (512 * 1024)
|
|
||||||
#define LOTSFREEFRACT 4
|
|
||||||
#define DESFREE (200 * 1024)
|
|
||||||
#define DESFREEFRACT 8
|
|
||||||
|
|
||||||
/*
|
|
||||||
* There are two clock hands, initially separated by HANDSPREAD bytes
|
|
||||||
* (but at most all of user memory). The amount of time to reclaim
|
|
||||||
* a page once the pageout process examines it increases with this
|
|
||||||
* distance and decreases as the scan rate rises.
|
|
||||||
*/
|
|
||||||
#define HANDSPREAD (2 * 1024 * 1024)
|
|
||||||
|
|
||||||
/*
|
|
||||||
* The number of times per second to recompute the desired paging rate
|
|
||||||
* and poke the pagedaemon.
|
|
||||||
*/
|
|
||||||
#define RATETOSCHEDPAGING 4
|
|
||||||
|
|
||||||
/*
|
|
||||||
* Believed threshold (in megabytes) for which interleaved
|
|
||||||
* swapping area is desirable.
|
|
||||||
*/
|
|
||||||
#define LOTSOFMEM 2
|
|
||||||
|
|
||||||
/*
|
/*
|
||||||
* Mach derived constants
|
* Mach derived constants
|
||||||
*/
|
*/
|
||||||
|
|
|
||||||
Loading…
Reference in New Issue