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authorYang Shi <shy828301@gmail.com>2021-05-05 04:36:42 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2021-05-05 21:27:23 +0300
commita178015cde69981cdcd8f109c5abc98703fead62 (patch)
tree5e905878c7884006599c55f633b615d17a4e6763 /mm/memcontrol.c
parent476b30a0949aec865dcc64d4c14f621b1a8afd12 (diff)
downloadlinux-a178015cde69981cdcd8f109c5abc98703fead62.tar.xz
mm: memcontrol: reparent nr_deferred when memcg offline
Now shrinker's nr_deferred is per memcg for memcg aware shrinkers, add to parent's corresponding nr_deferred when memcg offline. Link: https://lkml.kernel.org/r/20210311190845.9708-13-shy828301@gmail.com Signed-off-by: Yang Shi <shy828301@gmail.com> Acked-by: Vlastimil Babka <vbabka@suse.cz> Acked-by: Kirill Tkhai <ktkhai@virtuozzo.com> Acked-by: Roman Gushchin <guro@fb.com> Reviewed-by: Shakeel Butt <shakeelb@google.com> Cc: Dave Chinner <david@fromorbit.com> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: Michal Hocko <mhocko@suse.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/memcontrol.c')
-rw-r--r--mm/memcontrol.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 36f31d611dea..3004afb6d090 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -5154,6 +5154,7 @@ static void mem_cgroup_css_offline(struct cgroup_subsys_state *css)
page_counter_set_low(&memcg->memory, 0);
memcg_offline_kmem(memcg);
+ reparent_shrinker_deferred(memcg);
wb_memcg_offline(memcg);
drain_all_stock(memcg);