Author: kib
Date: Thu Jan 9 03:25:08 2014
New Revision: 260465
URL: http://svnweb.freebsd.org/changeset/base/260465
Log:
MFC r260204:
Assert that accounting for the pmap resident pages does not underflow.
Modified:
stable/9/sys/amd64/amd64/pmap.c
Directory Properties:
stable/9/sys/ (props changed)
Modified: stable/9/sys/amd64/amd64/pmap.c
==============================================================================
--- stable/9/sys/amd64/amd64/pmap.c Thu Jan 9 03:24:36 2014
(r260464)
+++ stable/9/sys/amd64/amd64/pmap.c Thu Jan 9 03:25:08 2014
(r260465)
@@ -479,6 +479,9 @@ pmap_resident_count_dec(pmap_t pmap, int
{
PMAP_LOCK_ASSERT(pmap, MA_OWNED);
+ KASSERT(pmap->pm_stats.resident_count >= count,
+ ("pmap %p resident count underflow %ld %d", pmap,
+ pmap->pm_stats.resident_count, count));
pmap->pm_stats.resident_count -= count;
}
_______________________________________________
svn-src-all@freebsd.org mailing list
http://lists.freebsd.org/mailman/listinfo/svn-src-all
To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
