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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>
This commit is contained in:
Mel Gorman 2014-06-04 16:10:26 -07:00 committed by Linus Torvalds
parent 07a4278843
commit e3741b506c
1 changed files with 1 additions and 1 deletions
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2
mm/swap.c
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@ -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);
}