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as there shouldn't be any mappings when pmap_destroy() is called, 

assert there is no remaining PTPs at that point.
This commit is contained in:
yamt 2003-11-01 09:07:11 +00:00
parent be8e41d93a
commit f41e60e6a0
1 changed files with 5 additions and 10 deletions
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15
sys/arch/i386/i386/pmap.c
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@ -1,4 +1,4 @@
/* $NetBSD: pmap.c,v 1.161 2003/10/27 14:11:47 junyoung Exp $ */
/* $NetBSD: pmap.c,v 1.162 2003/11/01 09:07:11 yamt Exp $ */
/*
*
@ -60,7 +60,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.161 2003/10/27 14:11:47 junyoung Exp $");
__KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.162 2003/11/01 09:07:11 yamt Exp $");
#include "opt_cputype.h"
#include "opt_user_ldt.h"
@ -1738,7 +1738,6 @@ void
pmap_destroy(pmap)
struct pmap *pmap;
{
struct vm_page *pg;
int refs;
/*
@ -1765,15 +1764,11 @@ pmap_destroy(pmap)
simple_unlock(&pmaps_lock);
/*
* free any remaining PTPs
* destroyed pmap shouldn't have remaining PTPs
*/
while ((pg = TAILQ_FIRST(&pmap->pm_obj.memq)) != NULL) {
KASSERT((pg->flags & PG_BUSY) == 0);
pg->wire_count = 0;
uvm_pagefree(pg);
}
KASSERT(pmap->pm_obj.uo_npages == 0);
KASSERT(TAILQ_EMPTY(&pmap->pm_obj.memq));
/*
* MULTIPROCESSOR -- no need to flush out of other processors'