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? > > 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 -- Michal Hocko SUSE Labs -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>