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MFamd64 r189785

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Update the pmap's resident page count when a page table page is freed in
  pmap_remove_pde() and pmap_remove_pages().

MFC after:	6 weeks
This commit is contained in:
Alan Cox 2009-03-14 15:37:19 +00:00
parent 795dceffa2
commit e34a906f74
1 changed files with 2 additions and 0 deletions
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2
sys/i386/i386/pmap.c
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@ -2442,6 +2442,7 @@ pmap_remove_pde(pmap_t pmap, pd_entry_t *pdq, vm_offset_t sva,
mpte = pmap_lookup_pt_page(pmap, sva);
if (mpte != NULL) {
pmap_remove_pt_page(pmap, mpte);
pmap->pm_stats.resident_count--;
KASSERT(mpte->wire_count == NPTEPG,
("pmap_remove_pde: pte page wire count error"));
mpte->wire_count = 0;
@ -3990,6 +3991,7 @@ pmap_remove_pages(pmap_t pmap)
mpte = pmap_lookup_pt_page(pmap, pv->pv_va);
if (mpte != NULL) {
pmap_remove_pt_page(pmap, mpte);
pmap->pm_stats.resident_count--;
KASSERT(mpte->wire_count == NPTEPG,
("pmap_remove_pages: pte page wire count error"));
mpte->wire_count = 0;