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Code Issues Releases Activity

Add an assert to vm_page_cache. We should never cache a dirty page.

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This commit is contained in:
John Dyson 1996-05-24 05:20:15 +00:00
parent 1eeaa1e31f
commit f777ab7b8b
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=15890
1 changed files with 4 additions and 1 deletions
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5
sys/vm/vm_page.c
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@ -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);