mm: lru_deactivate_fn should clear PG_referenced

deactivate_page aims for accelerate for reclaiming through
moving pages from active list to inactive list so we should
clear PG_referenced for the goal.

Signed-off-by: Minchan Kim <minchan@kernel.org>
Suggested-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

diff --git a/mm/swap.c b/mm/swap.c
index 8b93070e28a48907aefef2ba6d0dd00df3cc70e2..8773de0931714e35e7851418143432be6fad4438 100644 (file)
--- a/mm/swap.c
+++ b/mm/swap.c
@@ -808,6 +808,7 @@ static void lru_deactivate_fn(struct page *page, struct lruvec *lruvec,
 
                del_page_from_lru_list(page, lruvec, lru + LRU_ACTIVE);
                ClearPageActive(page);
+               ClearPageReferenced(page);
                add_page_to_lru_list(page, lruvec, lru);
 
                __count_vm_event(PGDEACTIVATE);