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When page table pages were removed from process address space, the

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resident page stats were not being decremented.  This mode corrects
that problem.
This commit is contained in:
John Dyson 1996-06-26 05:05:52 +00:00
parent 9db4d54246
commit f43467241e
2 changed files with 6 additions and 2 deletions
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4
sys/amd64/amd64/pmap.c
View file

@ -39,7 +39,7 @@
* SUCH DAMAGE.
*
* from: @(#)pmap.c 7.7 (Berkeley) 5/12/91
* $Id: pmap.c,v 1.106 1996/06/18 01:22:06 bde Exp $
* $Id: pmap.c,v 1.107 1996/06/25 00:39:21 dyson Exp $
*/
/*
@ -612,6 +612,7 @@ pmap_unwire_pte_hold(pmap_t pmap, vm_page_t m) {
* unmap the page table page
*/
pmap->pm_pdir[m->pindex] = 0;
--pmap->pm_stats.resident_count;
/*
* Do a pmap_update to make the invalidated mapping
* take effect immediately.
@ -747,6 +748,7 @@ pmap_release_free_page(pmap, p)
* Remove the page table page from the processes address space.
*/
pde[p->pindex] = 0;
--pmap->pm_stats.resident_count;
if (p->hold_count) {
int *kvap;

4
sys/i386/i386/pmap.c
View file

@ -39,7 +39,7 @@
* SUCH DAMAGE.
*
* from: @(#)pmap.c 7.7 (Berkeley) 5/12/91
* $Id: pmap.c,v 1.106 1996/06/18 01:22:06 bde Exp $
* $Id: pmap.c,v 1.107 1996/06/25 00:39:21 dyson Exp $
*/
/*
@ -612,6 +612,7 @@ pmap_unwire_pte_hold(pmap_t pmap, vm_page_t m) {
* unmap the page table page
*/
pmap->pm_pdir[m->pindex] = 0;
--pmap->pm_stats.resident_count;
/*
* Do a pmap_update to make the invalidated mapping
* take effect immediately.
@ -747,6 +748,7 @@ pmap_release_free_page(pmap, p)
* Remove the page table page from the processes address space.
*/
pde[p->pindex] = 0;
--pmap->pm_stats.resident_count;
if (p->hold_count) {
int *kvap;