On Fri 30-10-15 16:01:42, Minchan Kim wrote:
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.
I might be missing something but aren't we using PG_referenced only for
pagecache (and shmem) pages?
quoted hunk ↗ jump to hunk
Acked-by: Hugh Dickins <redacted>
Suggested-by: Andrew Morton <redacted>
Signed-off-by: Minchan Kim <redacted>
---
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
--
Michal Hocko
SUSE Labs