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authordyson <dyson@FreeBSD.org>1996-05-24 05:20:15 +0000
committerdyson <dyson@FreeBSD.org>1996-05-24 05:20:15 +0000
commita7dfed03c3addd66d55325629614e8fb46e53a5e (patch)
tree446dab9870a5275030386948889d27879c984b4c /sys/vm/vm_page.c
parent55bfe202846042331cd2ed94c7277325278c04ef (diff)
downloadFreeBSD-src-a7dfed03c3addd66d55325629614e8fb46e53a5e.zip
FreeBSD-src-a7dfed03c3addd66d55325629614e8fb46e53a5e.tar.gz
Add an assert to vm_page_cache. We should never cache a dirty page.
Diffstat (limited to 'sys/vm/vm_page.c')
-rw-r--r--sys/vm/vm_page.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/sys/vm/vm_page.c b/sys/vm/vm_page.c
index 7a95941..af599af 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 1.50 1996/03/28 04:53:27 dyson Exp $
+ * $Id: vm_page.c,v 1.51 1996/05/18 03:37:57 dyson Exp $
*/
/*
@@ -911,6 +911,9 @@ vm_page_cache(m)
return;
vm_page_protect(m, VM_PROT_NONE);
+ if (m->dirty != 0) {
+ panic("vm_page_cache: caching a dirty page, pindex: %d", m->pindex);
+ }
s = splvm();
vm_page_unqueue(m);
TAILQ_INSERT_TAIL(&vm_page_queue_cache, m, pageq);
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