If the dirty folio in folio_list which is inactive file lru is FOLIOREF_RECLAIM_CLEAN, the dirty folio can skip unmap in advance to reduce recyling time. Signed-off-by: Zhiguo Jiang <justinjiang@xxxxxxxx> --- Changelog: v1->v2: 1. The dirty folio in folio_list wich FOLIOREF_RECLAIM_CLEAN skip unmap in advance. mm/vmscan.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/mm/vmscan.c b/mm/vmscan.c index e067269275a5..e587dafeef94 100755 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -1225,7 +1225,10 @@ static unsigned int shrink_folio_list(struct list_head *folio_list, stat->nr_ref_keep += nr_pages; goto keep_locked; case FOLIOREF_RECLAIM: + break; case FOLIOREF_RECLAIM_CLEAN: + if (dirty) + goto activate_locked; ; /* try to reclaim the folio below */ } -- 2.39.0
