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Use vm_page_alloc1() and vm_page_free1() as appropriate.

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This commit is contained in:
thorpej 1998-03-12 06:27:36 +00:00
parent 7bb58d92ce
commit 00a597fe92
1 changed files with 9 additions and 33 deletions
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42
sys/arch/alpha/alpha/pmap.old.c
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@ -1,4 +1,4 @@
/* $NetBSD: pmap.old.c,v 1.52 1998/03/12 02:59:22 thorpej Exp $ */
/* $NetBSD: pmap.old.c,v 1.53 1998/03/12 06:27:36 thorpej Exp $ */
/*-
* Copyright (c) 1998 The NetBSD Foundation, Inc.
@ -151,7 +151,7 @@
#include <sys/cdefs.h> /* RCS ID & Copyright macro defns */
__KERNEL_RCSID(0, "$NetBSD: pmap.old.c,v 1.52 1998/03/12 02:59:22 thorpej Exp $");
__KERNEL_RCSID(0, "$NetBSD: pmap.old.c,v 1.53 1998/03/12 06:27:36 thorpej Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@ -2459,11 +2459,14 @@ pmap_collect_pv()
vm_offset_t
pmap_alloc_physpage()
{
#if defined(UVM)
struct vm_page *pg;
vm_offset_t pa;
#if defined(UVM)
if ((pg = uvm_pagealloc(NULL, 0, NULL)) == NULL) {
#else
if ((pg = vm_page_alloc1()) == NULL) {
#endif
/*
* XXX This is lame. We can probably wait for the
* XXX memory to become available, or steal a PT
@ -2475,25 +2478,6 @@ pmap_alloc_physpage()
pa = VM_PAGE_TO_PHYS(pg);
pmap_zero_page(pa);
return (pa);
#else
struct pglist mlist;
vm_offset_t pa;
TAILQ_INIT(&mlist);
if (vm_page_alloc_memory(PAGE_SIZE, avail_start, avail_end - PAGE_SIZE,
PAGE_SIZE, 0, &mlist, 1, FALSE)) {
/*
* XXX This is lame. We can probably wait for the
* XXX memory to become available, or steal a PT
* XXX page from another pmap.
*/
panic("pmap_alloc_physpage: no pages available");
}
pa = VM_PAGE_TO_PHYS(mlist.tqh_first);
pmap_zero_page(pa);
return (pa);
#endif /* UVM */
}
/*
@ -2505,24 +2489,16 @@ void
pmap_free_physpage(ptpage)
vm_offset_t ptpage;
{
#if defined(UVM)
struct vm_page *pg;
if ((pg = PHYS_TO_VM_PAGE(ptpage)) == NULL)
panic("pmap_free_physpage: bogus physical page address");
#if defined(UVM)
uvm_pagefree(pg);
#else
struct pglist mlist;
vm_page_t pg;
if ((pg = PHYS_TO_VM_PAGE(ptpage)) == NULL)
panic("pmap_free_physpage: bogus physical page address");
TAILQ_INIT(&mlist);
TAILQ_INSERT_TAIL(&mlist, pg, pageq);
vm_page_free_memory(&mlist);
#endif /* UVM */
vm_page_free1(pg);
#endif
}
/******************** page table page management ********************/