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    Subject[PATCH 15/19] mm: Do not use atomic operations when releasing pages
    Date
    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>
    ---
    mm/swap.c | 2 +-
    1 file changed, 1 insertion(+), 1 deletion(-)

    diff --git a/mm/swap.c b/mm/swap.c
    index f2228b7..7a5bdd7 100644
    --- a/mm/swap.c
    +++ b/mm/swap.c
    @@ -854,7 +854,7 @@ 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);
    }
    --
    1.8.4.5


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