+ memcg-infrastructure-to-flush-memcg-stats-v5.patch added to -mm tree

+ memcg-infrastructure-to-flush-memcg-stats-v5.patch added to -mm tree

[akpm]

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@google.com>
Subject: memcg-infrastructure-to-flush-memcg-stats-v5

fix sleep-in-wrong context bug

Link: https://lkml.kernel.org/r/20210716212137.1391164-2-shakeelb@google.com
Signed-off-by: Shakeel Butt <shakeelb@google.com>
Reported-by: Yang Yingliang <yangyingliang@huawei.com>
Reported-by: Marek Szyprowski <m.szyprowski@samsung.com>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Hillf Danton <hdanton@sina.com>
Cc: Huang Ying <ying.huang@intel.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Michal Koutný <mkoutny@suse.com>
Cc: Muchun Song <songmuchun@bytedance.com>
Cc: Roman Gushchin <guro@fb.com>
Cc: Tejun Heo <tj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 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@google.com are

memcg-switch-lruvec-stats-to-rstat.patch
memcg-infrastructure-to-flush-memcg-stats.patch
memcg-infrastructure-to-flush-memcg-stats-v5.patch

Re: + memcg-infrastructure-to-flush-memcg-stats-v5.patch added to -mm tree

[Stephen Rothwell]

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Hi all,

On Fri, 16 Jul 2021 16:04:09 -0700 akpm@linux-foundation.org wrote:
>
> 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

Added to linux-next today.

-- 
Cheers,
Stephen Rothwell

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