From: Michal Hocko <mhocko@kernel.org>
To: Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp>
Cc: David Rientjes <rientjes@google.com>,
Andrew Morton <akpm@linux-foundation.org>,
Andrea Arcangeli <aarcange@redhat.com>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: Multiple oom_reaper BUGs: unmap_page_range racing with exit_mmap
Date: Thu, 7 Dec 2017 09:44:57 +0100 [thread overview]
Message-ID: <20171207084457.GD20234@dhcp22.suse.cz> (raw)
In-Reply-To: <20171207082801.GB20234@dhcp22.suse.cz>
On Thu 07-12-17 09:28:01, Michal Hocko wrote:
[...]
> oom_reaper oom_victim task
> mmget_not_zero
> exit_mmap
bleh, this should have been do_exit
> mmput
> __oom_reap_task_mm mmput
> __mmput
> exit_mmap
> remove_vma
> unmap_page_range
--
Michal Hocko
SUSE Labs
next prev parent reply other threads:[~2017-12-07 8:45 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-12-06 2:43 Multiple oom_reaper BUGs: unmap_page_range racing with exit_mmap David Rientjes
2017-12-06 2:58 ` David Rientjes
[not found] ` <201712060328.vB63SrDK069830@www262.sakura.ne.jp>
2017-12-06 7:48 ` David Rientjes
2017-12-06 9:00 ` Michal Hocko
[not found] ` <201712070720.vB77KlBQ009754@www262.sakura.ne.jp>
2017-12-07 8:28 ` Michal Hocko
2017-12-07 8:44 ` Michal Hocko [this message]
2017-12-07 11:00 ` Tetsuo Handa
2017-12-07 21:22 ` David Rientjes
2017-12-08 7:50 ` Michal Hocko
2017-12-06 11:37 ` Tetsuo Handa
2017-12-06 8:50 ` Michal Hocko
2017-12-06 8:31 ` Michal Hocko
2017-12-07 11:35 ` Michal Hocko
2017-12-07 15:44 ` Tetsuo Handa
2017-12-07 16:30 ` Michal Hocko
2017-12-07 21:55 ` David Rientjes
2017-12-08 9:26 ` David Rientjes
2017-12-08 11:27 ` Michal Hocko
2017-12-08 10:11 ` Tetsuo Handa
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