svn commit: r189785 - head/sys/amd64/amd64

Alan Cox alc at FreeBSD.org
Sat Mar 14 01:28:03 PDT 2009


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;


More information about the svn-src-head mailing list