From f43467241eed9d83b034dba2d2daec13d5b81792 Mon Sep 17 00:00:00 2001
From: John Dyson <dyson@FreeBSD.org>
Date: Wed, 26 Jun 1996 05:05:52 +0000
Subject: [PATCH] When page table pages were removed from process address
 space, the resident page stats were not being decremented.  This mode
 corrects that problem.

---
 sys/amd64/amd64/pmap.c | 4 +++-
 sys/i386/i386/pmap.c   | 4 +++-
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/sys/amd64/amd64/pmap.c b/sys/amd64/amd64/pmap.c
index 970bd3be93e..d0163551982 100644
--- a/sys/amd64/amd64/pmap.c
+++ b/sys/amd64/amd64/pmap.c
@@ -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;
diff --git a/sys/i386/i386/pmap.c b/sys/i386/i386/pmap.c
index 970bd3be93e..d0163551982 100644
--- a/sys/i386/i386/pmap.c
+++ b/sys/i386/i386/pmap.c
@@ -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;