The patch titled
Subject: memcg-infrastructure-to-flush-memcg-stats-v5
has been added to the -mm tree. Its filename is
memcg-infrastructure-to-flush-memcg-stats-v5.patch
This patch should soon appear at
https://ozlabs.org/~akpm/mmots/broken-out/memcg-infrastructure-to-flush-memcg-stats-v5.patch
and later at
https://ozlabs.org/~akpm/mmotm/broken-out/memcg-infrastructure-to-flush-memcg-stats-v5.patch
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------------------------------------------------------
From: Shakeel Butt <shakeelb@xxxxxxxxxx>
Subject: memcg-infrastructure-to-flush-memcg-stats-v5
fix sleep-in-wrong context bug
Link: https://lkml.kernel.org/r/20210716212137.1391164-2-shakeelb@xxxxxxxxxx
Signed-off-by: Shakeel Butt <shakeelb@xxxxxxxxxx>
Reported-by: Yang Yingliang <yangyingliang@xxxxxxxxxx>
Reported-by: Marek Szyprowski <m.szyprowski@xxxxxxxxxxx>
Cc: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
Cc: Hillf Danton <hdanton@xxxxxxxx>
Cc: Huang Ying <ying.huang@xxxxxxxxx>
Cc: Johannes Weiner <hannes@xxxxxxxxxxx>
Cc: Michal Hocko <mhocko@xxxxxxxxxx>
Cc: Michal Koutný <mkoutny@xxxxxxxx>
Cc: Muchun Song <songmuchun@xxxxxxxxxxxxx>
Cc: Roman Gushchin <guro@xxxxxx>
Cc: Tejun Heo <tj@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/memcontrol.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/mm/memcontrol.c~memcg-infrastructure-to-flush-memcg-stats-v5
+++ a/mm/memcontrol.c
@@ -5358,7 +5358,7 @@ void mem_cgroup_flush_stats(void)
if (!spin_trylock(&stats_flush_lock))
return;
- cgroup_rstat_flush(root_mem_cgroup->css.cgroup);
+ cgroup_rstat_flush_irqsafe(root_mem_cgroup->css.cgroup);
spin_unlock(&stats_flush_lock);
}
_
Patches currently in -mm which might be from shakeelb@xxxxxxxxxx are
memcg-switch-lruvec-stats-to-rstat.patch
memcg-infrastructure-to-flush-memcg-stats.patch
memcg-infrastructure-to-flush-memcg-stats-v5.patch
