[PATCH 6/8] mm: lru_deactivate_fn should clear PG_referenced

[Minchan Kim]

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.

Acked-by: Hugh Dickins <hughd@xxxxxxxxxx>
Suggested-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Minchan Kim <minchan@xxxxxxxxxx>
---
 mm/swap.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/mm/swap.c b/mm/swap.c
index d0eacc5f62a3..4a6aec976ab1 100644
--- a/mm/swap.c
+++ b/mm/swap.c
@@ -810,6 +810,7 @@ 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);
-- 
1.9.1

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