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authorLee Schermerhorn <lee.schermerhorn@hp.com>2008-10-19 03:26:53 (GMT)
committerLinus Torvalds <torvalds@linux-foundation.org>2008-10-20 15:52:31 (GMT)
commit985737cf2ea096ea946aed82c7484d40defc71a8 (patch)
treeb96dc3b8c28f743857a7a1fff25472d6e0f60120 /include/linux/vmstat.h
parentaf936a1606246a10c145feac3770f6287f483f02 (diff)
downloadlinux-fsl-qoriq-985737cf2ea096ea946aed82c7484d40defc71a8.tar.xz
mlock: count attempts to free mlocked page
Allow free of mlock()ed pages. This shouldn't happen, but during developement, it occasionally did. This patch allows us to survive that condition, while keeping the statistics and events correct for debug. Signed-off-by: Lee Schermerhorn <lee.schermerhorn@hp.com> Signed-off-by: Rik van Riel <riel@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/vmstat.h')
-rw-r--r--include/linux/vmstat.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/vmstat.h b/include/linux/vmstat.h
index 05b8050..9cd3ab0 100644
--- a/include/linux/vmstat.h
+++ b/include/linux/vmstat.h
@@ -49,6 +49,7 @@ enum vm_event_item { PGPGIN, PGPGOUT, PSWPIN, PSWPOUT,
UNEVICTABLE_PGMUNLOCKED,
UNEVICTABLE_PGCLEARED, /* on COW, page truncate */
UNEVICTABLE_PGSTRANDED, /* unable to isolate on unlock */
+ UNEVICTABLE_MLOCKFREED,
#endif
NR_VM_EVENT_ITEMS
};