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From: Michal Hocko <mhocko@kernel.org>
To: Roman Gushchin <guro@fb.com>
Cc: Naresh Kamboju <naresh.kamboju@linaro.org>,
	Shakeel Butt <shakeelb@google.com>,
	Johannes Weiner <hannes@cmpxchg.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	linux-mm <linux-mm@kvack.org>,
	open list <linux-kernel@vger.kernel.org>,
	lkft-triage@lists.linaro.org, Chris Down <chris@chrisdown.name>
Subject: Re: BUG: Bad page state in process - page dumped because: page still charged to cgroup
Date: Thu, 2 Jul 2020 08:19:31 +0200	[thread overview]
Message-ID: <20200702061931.GB18446@dhcp22.suse.cz> (raw)
In-Reply-To: <20200701184552.GA61684@carbon.DHCP.thefacebook.com>

On Wed 01-07-20 11:45:52, Roman Gushchin wrote:
[...]
> So it makes me think that somehow memcg_kmem_enabled() became false
> after being true, which can cause refcounting problems as well.

Isn't this a similar class of problem as
http://lkml.kernel.org/r/1593641660-13254-2-git-send-email-bhsharma@redhat.com?
-- 
Michal Hocko
SUSE Labs

  reply	other threads:[~2020-07-02  6:19 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-01  8:18 BUG: Bad page state in process - page dumped because: page still charged to cgroup Naresh Kamboju
2020-07-01  8:18 ` Naresh Kamboju
2020-07-01  8:29 ` Michal Hocko
2020-07-01 12:31   ` Naresh Kamboju
2020-07-01 12:31     ` Naresh Kamboju
2020-07-01 18:45   ` Roman Gushchin
2020-07-02  6:19     ` Michal Hocko [this message]
2020-07-02  6:52     ` Naresh Kamboju
2020-07-02  6:52       ` Naresh Kamboju
2020-07-02 15:49       ` Roman Gushchin
2020-07-02 15:55         ` Naresh Kamboju
2020-07-02 15:55           ` Naresh Kamboju
2020-07-02 15:59           ` Roman Gushchin
2020-07-02 16:02     ` Shakeel Butt
2020-07-02 16:02       ` Shakeel Butt
2020-07-02 16:22     ` Michal Hocko
2020-07-02 16:35       ` Vlastimil Babka
2020-07-02 17:07         ` Roman Gushchin
2020-07-02 17:10         ` Michal Hocko
2020-07-02 16:37       ` Roman Gushchin
2020-07-02 17:13         ` Michal Hocko
2020-07-02 17:19           ` Roman Gushchin

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