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| author | Mel Gorman <mgorman@suse.de> | 2014-06-04 16:10:26 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-01-29 17:40:52 -0800 |
| commit | d065df14f73b74f173e2540591185a69e0a55749 (patch) | |
| tree | 1ee00263396d35f944826817e4df2172759c3fe3 | |
| parent | 1183f6ad43ab12f33b01d39bd9e64655e9773e38 (diff) | |
| download | lwn-d065df14f73b74f173e2540591185a69e0a55749.tar.gz lwn-d065df14f73b74f173e2540591185a69e0a55749.zip | |
mm: do not use atomic operations when releasing pages
commit e3741b506c5088fa8c911bb5884c430f770fb49d upstream.
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>
Signed-off-by: Mel Gorman <mgorman@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | mm/swap.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/swap.c b/mm/swap.c index d2445819fa58..c370e59245f9 100644 --- a/mm/swap.c +++ b/mm/swap.c @@ -867,7 +867,7 @@ 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); } |