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authorHugh Dickins <hughd@google.com>2012-10-08 16:33:21 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2012-10-09 16:22:56 +0900
commita0c5e813f087dffc0d9b173d2e7d3328b1482fd5 (patch)
treecc3fac50d76d0641722cb824fef825d5655e421e /include/linux/vm_event_item.h
parente6c509f85455041d3d7c4b863bf80bc294288cc1 (diff)
mm: remove free_page_mlock
We should not be seeing non-0 unevictable_pgs_mlockfreed any longer. So remove free_page_mlock() from the page freeing paths: __PG_MLOCKED is already in PAGE_FLAGS_CHECK_AT_FREE, so free_pages_check() will now be checking it, reporting "BUG: Bad page state" if it's ever found set. Comment UNEVICTABLE_MLOCKFREED and unevictable_pgs_mlockfreed always 0. Signed-off-by: Hugh Dickins <hughd@google.com> Acked-by: Mel Gorman <mel@csn.ul.ie> Cc: Rik van Riel <riel@redhat.com> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: Michel Lespinasse <walken@google.com> Cc: Ying Han <yinghan@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/vm_event_item.h')
-rw-r--r--include/linux/vm_event_item.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/vm_event_item.h b/include/linux/vm_event_item.h
index 57f7b1091511..ede4ddd46695 100644
--- a/include/linux/vm_event_item.h
+++ b/include/linux/vm_event_item.h
@@ -52,7 +52,7 @@ 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,
+ UNEVICTABLE_MLOCKFREED, /* no longer useful: always zero */
#ifdef CONFIG_TRANSPARENT_HUGEPAGE
THP_FAULT_ALLOC,
THP_FAULT_FALLBACK,