[PATCH v2 01/12] mm: memcontrol: fix NR_ANON_THPS account
From: Muchun Song <hidden>
Date: 2020-12-06 08:26:44
Also in:
linux-fsdevel, linux-mm, lkml
Subsystem:
control group - memory resource controller (memcg), memory management, the rest · Maintainers:
Johannes Weiner, Michal Hocko, Roman Gushchin, Shakeel Butt, Andrew Morton, Linus Torvalds
The unit of NR_ANON_THPS is HPAGE_PMD_NR already. So it should inc/dec
by one rather than nr_pages.
Fixes: 468c398233da ("mm: memcontrol: switch to native NR_ANON_THPS counter")
Signed-off-by: Muchun Song <redacted>
---
mm/memcontrol.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 22d9bd688d6d..695dedf8687a 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c@@ -5634,10 +5634,8 @@ static int mem_cgroup_move_account(struct page *page, __mod_lruvec_state(from_vec, NR_ANON_MAPPED, -nr_pages); __mod_lruvec_state(to_vec, NR_ANON_MAPPED, nr_pages); if (PageTransHuge(page)) { - __mod_lruvec_state(from_vec, NR_ANON_THPS, - -nr_pages); - __mod_lruvec_state(to_vec, NR_ANON_THPS, - nr_pages); + __dec_lruvec_state(from_vec, NR_ANON_THPS); + __inc_lruvec_state(to_vec, NR_ANON_THPS); } }
--
2.11.0