448427b7ba
Document a requirement of vm_object_bypass().
1997-04-08 22:35:49 +00:00
69e0aacce3
Remove the `backing_object still referenced' panic, since there's an expected
...
race with vnode_pager_sync().
1997-04-07 01:57:14 +00:00
3a474fa002
Remove a printf() that's no longer needed.
1997-03-03 20:56:12 +00:00
cbb4319fb9
vm_object_shadow(): Add a DIAGNOSTIC check for shadowing a null object.
...
From Charles Hannum <mycroft@netbsd.org>
1997-02-25 23:28:09 +00:00
7327c8cf62
From Charles Hannum:
...
During a collapse, abort if the object is paging; the pagedaemon can
trigger a collapse, causing deadlock. (XXX)
1997-02-24 22:19:26 +00:00
3b9c3fff2e
restructure vm_object_overlay() to collapse objects in more cases.
...
change one diag panic() to a diag printf(). from mycroft.
1997-02-23 09:01:37 +00:00
255b9d74d8
Rewrite the object chain collapse code. Bugs fixed are too numerous
...
to describe here. This should fix the problems with "hanging processes"
people have seen since the original object collapse code was committed.
From Charles Hannum <mycroft@netbsd.org>
1997-02-21 20:30:49 +00:00
42ae012452
This is all from mycroft:
...
Create macros (with names borrowed from Mach 3) to manipulate
object->paging_in_progress, and use them. When decreasing the
paging count, always make sure to wake up anyone waiting.
Fixes `vospgc', `vosca1', and `vosca2' hangs.
1997-02-18 13:39:31 +00:00
491e8af174
minor KNF from jason.
1997-02-05 08:26:25 +00:00
eadd7792d9
add thread_sleep_msg() that takes a wait message, and change thread_sleep()
...
into a macro for backwards compat. alter vm_object_sleep() to take advantage
of this.
1997-02-05 08:09:45 +00:00
85328f7b35
KNF.
1997-02-05 07:48:42 +00:00
4f2a217c2b
pull up vm_object_collapse() fix from mrg_vm_object_collapse branch.
...
many thanks to niklas hallqvist (niklas@appli.se ) for this.
1997-01-03 18:03:14 +00:00
3dc7953eec
back out previous kprintf changes
1996-10-12 21:50:05 +00:00
de1b2b437e
printf -> kprintf, sprintf -> ksprintf
1996-10-10 17:16:17 +00:00
fdb309615e
Remove vm_object_prefer. VM code now calls PMAP_PREFER directly.
1996-02-28 22:35:35 +00:00
03b1ad4cb4
One more cleanup pass to change %x to %p for pointers
1996-02-10 00:07:59 +00:00
bcabcefdcd
VM prototype changes
1996-02-05 01:53:47 +00:00
785c98a0cc
Oops.
1995-12-06 00:38:11 +00:00
801712f01a
Extend use of vm_object_prefer() to vm_allocate_with_pager().
...
Make vm_object_prefer() call MD aligner for "pageless" objects too,
so we can have more control over the virtual address to be used.
Implementation could be simpler if we by-pass the object to mapped, but
we'd loose the ability to adapt alignment to objects that were previously
mmap'ed with MAP_FIXED on.
1995-12-05 22:54:36 +00:00
7ac7bdf204
Unlock internal objects too in vm_object_terminate().
1995-07-13 12:35:29 +00:00
d114baba9a
Introduce vm_object_prefer(), which interrogates the PMAP layer in search
...
for an optimal virtual address for a given object.
1994-12-10 11:46:25 +00:00
0a930e5ce6
redo that last change, correctly. (suggested by mycroft.)
1994-10-30 19:11:09 +00:00
aa151f86b3
change some strategic casts to (*long) from (*int).
1994-10-29 07:35:04 +00:00
6dd2f9eed2
vm_object_page_clean() expects to be able to use vm_page_deactivate() on a
...
locked page. Make that work. This also obviates the need for vm_fault() to
bogusly activate a page before deactivating it. Finally, make sure the
semantics of vm_object_deactive_pages() don't change.
1994-09-07 20:25:07 +00:00
fccfa11af5
New RCS ID's, take two. they're more aesthecially pleasant, and use 'NetBSD'
1994-06-29 06:39:25 +00:00
9608c5b657
clean up slightly; change RCS ID's to be minimally intrusive
1994-06-27 04:55:46 +00:00
3495827959
new VM code, from 4.4-Lite
1994-05-23 03:11:20 +00:00
3dda0064a5
Convert mount, vnode, and buf structs to use <sys/queue.h>. Also,
...
some knf and structure frobbing to do along with it.
1994-04-21 07:47:31 +00:00
ee3e1168b7
undo a mistaken deletion. at least i found it...
1994-04-20 21:46:15 +00:00
ad6c540f90
cancel some of my stupidity, thanks to charles.
1994-04-15 22:49:15 +00:00
e937bc9bfd
convert vm system to use new queues. I'll never write code w/queues again.
1994-04-15 07:04:03 +00:00
70dabb7d43
don't be so agressive w/renaming, clean for consistency, types in one place.
1994-03-17 02:51:57 +00:00
e69c297456
do not clean fictitious pages. from WS (sent a long time ago...)
1994-01-15 02:39:58 +00:00
9c9af600ee
Make some functions static.
1994-01-08 04:59:08 +00:00
287956ae88
Yet more prototypes.
1994-01-08 04:38:16 +00:00
d77a163cac
Kill third arg to thread_sleep(). It's always false and isn't used anyway.
1994-01-07 22:22:20 +00:00
1b184192e1
Add some explicit return types, and make vm_object_print #ifdef DDB | DEBUG.
1994-01-07 19:15:44 +00:00
c26286a5c1
bring changes down from magnum
1993-12-20 12:39:55 +00:00
b4d3382694
Canonicalize all #includes.
1993-12-17 07:56:32 +00:00
00e8bf23cd
Add `#ifdef DIAGNOSTIC' around check for dirty pages in persistent objects.
1993-09-23 22:20:29 +00:00
b4940ad7a0
Wrap iprintf, vm_object_print, vm_map_print to allow passing a printf function.
1993-09-13 14:10:35 +00:00
acf8d8b584
deal with ddb bogosities
1993-08-07 06:03:02 +00:00
36a6e635b3
Committing in src/sys/vm
...
Modified Files:
vm_object.c
call vm_object_remove() to remove an object from the hashtable when
vm_object_collapse() starts fiddling with pagers.
1993-07-28 00:00:01 +00:00
9d7e246a03
Cleanup pretty printers for maps and objects.
1993-07-22 13:03:36 +00:00
7a0e26cd13
Paul Kranenburg's VM deadlock patches (from patchkit 00147, parts 3 & 4).
...
Prevent dirty objects from being cached, and prevent vm_page_alloc() from
allocating too much memory to non-kernel objects.
1993-06-30 03:48:25 +00:00
cc5e8e00d5
add rcs ids and clean up headers
1993-05-20 03:59:08 +00:00
827c75471f
From: andrew@werple.apana.org.au (Andrew Herbert)
...
Here are some fixes I derived from the mach 3.0 VM system a couple of months
ago. At the time, I was giving the memory object routines a good looking
at, trying to fix the long-standing problem where vm_object_collapse()
sometimes fails to collapse objects left over from the exit of a forked
child. As bde has noted, the problem seems to occur when portions of the
parent are paged out. These "lost" memory objects, which can eat up a huge
amount of swap space, are reclaimed when the parent responsible for the
fork()s is killed.
1993-04-09 16:53:46 +00:00
61f282557f
initial import of 386bsd-0.1 sources
1993-03-21 09:45:37 +00:00
mycroft