Author: alc
Date: Sat Mar 14 08:28:02 2009
New Revision: 189785
URL: http://svn.freebsd.org/changeset/base/189785
Log:
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
Modified:
head/sys/amd64/amd64/pmap.c
Modified: head/sys/amd64/amd64/pmap.c
==============================================================================
--- head/sys/amd64/amd64/pmap.c Sat Mar 14 06:48:50 2009 (r189784)
+++ head/sys/amd64/amd64/pmap.c Sat Mar 14 08:28:02 2009 (r189785)
@@ -2342,6 +2342,7 @@ pmap_remove_pde(pmap_t pmap, pd_entry_t
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;
@@ -3851,6 +3852,7 @@ 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;
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