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From: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
To: Michal Hocko <mhocko@kernel.org>,
	Eric Wheeler <linux-mm@lists.ewheeler.net>
Cc: linux-mm@kvack.org, "Kirill A. Shutemov" <kirill@shutemov.name>,
	Minchan Kim <minchan@kernel.org>
Subject: Re: Possible deadlock in v4.14.15 contention on shrinker_rwsem in shrink_slab()
Date: Thu, 25 Jan 2018 19:51:19 +0900	[thread overview]
Message-ID: <1ebda9d8-d3e9-db5c-7a06-dc16cbe80188@I-love.SAKURA.ne.jp> (raw)
In-Reply-To: <20180125083516.GA22396@dhcp22.suse.cz>

On 2018/01/25 17:35, Michal Hocko wrote:
> Maybe something related with f80207727aac ("mm/memory.c: release locked
> page in do_swap_page()")

Commit f80207727aaca3aa ("mm/memory.c: release locked page in do_swap_page()")
was added in v4.15-rc9, and commit 0bcac06f27d75285 ("mm, swap: skip swapcache
for swapin of synchronous device") was added in v4.15-rc1. Since commit
0bcac06f27d75285 was not backported to 4.14-stable kernel, it is unlikely
unless Eric explicitly backported that commit.

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  reply	other threads:[~2018-01-25 10:51 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-01-24 23:57 Possible deadlock in v4.14.15 contention on shrinker_rwsem in shrink_slab() Eric Wheeler
2018-01-25  8:35 ` Michal Hocko
2018-01-25 10:51   ` Tetsuo Handa [this message]
2018-01-26 19:32   ` Eric Wheeler
2018-01-27  6:34     ` Tetsuo Handa
2018-01-27 14:13       ` Tetsuo Handa
2018-01-29  0:04       ` Eric Wheeler
2018-01-29  5:27         ` Tetsuo Handa
2018-02-03  7:48           ` Tetsuo Handa
2018-02-12 12:43             ` Michal Hocko

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