From 44cc663f3d24f0c53c23c3fe6af9fc017e83d523 Mon Sep 17 00:00:00 2001
From: dyson <dyson@FreeBSD.org>
Date: Sat, 31 Jan 1998 20:30:18 +0000
Subject: contigalloc doesn't place the allocated page(s) into an object, and
 now this breaks vm_page_wire (due to wired page accounting per object.)

This should fix a problem as described by Donald Maddox.
---
 sys/vm/vm_page.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

(limited to 'sys/vm')

diff --git a/sys/vm/vm_page.c b/sys/vm/vm_page.c
index 6837ecf..dea6b04 100644
--- a/sys/vm/vm_page.c
+++ b/sys/vm/vm_page.c
@@ -34,7 +34,7 @@
  * SUCH DAMAGE.
  *
  *	from: @(#)vm_page.c	7.4 (Berkeley) 5/7/91
- *	$Id: vm_page.c,v 1.87 1998/01/22 17:30:41 dyson Exp $
+ *	$Id: vm_page.c,v 1.88 1998/01/31 11:56:47 dyson Exp $
  */
 
 /*
@@ -1185,7 +1185,8 @@ vm_page_wire(m)
 		vm_page_unqueue(m);
 		splx(s);
 		cnt.v_wire_count++;
-		m->object->wire_count++;
+		if (m->object)
+			m->object->wire_count++;
 	}
 	(*vm_page_queues[PQ_NONE].lcnt)++;
 	m->wire_count++;
@@ -1211,7 +1212,8 @@ vm_page_unwire(m)
 	if (m->wire_count > 0) {
 		m->wire_count--;
 		if (m->wire_count == 0) {
-			m->object->wire_count--;
+			if (m->object)
+				m->object->wire_count--;
 			cnt.v_wire_count--;
 			TAILQ_INSERT_TAIL(&vm_page_queue_active, m, pageq);
 			m->queue = PQ_ACTIVE;
-- 
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