In !global_reclaim(sc) case, we should update sc->nr_reclaimed after each
shrink_slab in the loop. Because we need the correct sc->nr_reclaimed
value to see if we can break out.
Signed-off-by: Zhou Chengming <zhouchengmi...@huawei.com>
---
mm/vmscan.c | 5 +++++
1 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/mm/vmscan.c b/mm/vmscan.c
index c4a2f45..47133c3 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -2405,6 +2405,11 @@ static bool shrink_zone(struct zone *zone, struct
scan_control *sc,
memcg, sc->nr_scanned - scanned,
lru_pages);
+ if (!global_reclaim(sc) && reclaim_state) {
+ sc->nr_reclaimed +=
reclaim_state->reclaimed_slab;
+ reclaim_state->reclaimed_slab = 0;
+ }
+
/* Record the group's reclaim efficiency */
vmpressure(sc->gfp_mask, memcg, false,
sc->nr_scanned - scanned,
--
1.7.7
