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Thu, 19 Oct 2023 06:15:49 -0700 (PDT) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1780189886704765238 X-GMAIL-MSGID: 1780189886704765238 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 --- 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 */ }