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authorMel Gorman <mgorman@suse.de>2014-06-04 16:10:26 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2014-06-04 16:54:09 -0700
commite3741b506c5088fa8c911bb5884c430f770fb49d (patch)
treeebbc2fa8cbd409256e743d97d428fe7930372677
parent07a427884348d38a6fd56fa4d78249c407196650 (diff)
downloadop-kernel-dev-e3741b506c5088fa8c911bb5884c430f770fb49d.zip
op-kernel-dev-e3741b506c5088fa8c911bb5884c430f770fb49d.tar.gz
mm: do not use atomic operations when releasing pages
There should be no references to it any more and a parallel mark should not be reordered against us. Use non-locked varient to clear page active. Signed-off-by: Mel Gorman <mgorman@suse.de> Acked-by: Rik van Riel <riel@redhat.com> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: Vlastimil Babka <vbabka@suse.cz> Cc: Jan Kara <jack@suse.cz> Cc: Michal Hocko <mhocko@suse.cz> Cc: Hugh Dickins <hughd@google.com> Cc: Dave Hansen <dave.hansen@intel.com> Cc: Theodore Ts'o <tytso@mit.edu> Cc: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> Cc: Oleg Nesterov <oleg@redhat.com> Cc: Peter Zijlstra <peterz@infradead.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--mm/swap.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/swap.c b/mm/swap.c
index 11ebb97..30b6a37 100644
--- a/mm/swap.c
+++ b/mm/swap.c
@@ -901,7 +901,7 @@ void release_pages(struct page **pages, int nr, bool cold)
}
/* Clear Active bit in case of parallel mark_page_accessed */
- ClearPageActive(page);
+ __ClearPageActive(page);
list_add(&page->lru, &pages_to_free);
}
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