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From: Andrew Morton <akpm@linux-foundation.org>
To: Naresh Kamboju <naresh.kamboju@linaro.org>
Cc: open list <linux-kernel@vger.kernel.org>,
	Linux-Next Mailing List <linux-next@vger.kernel.org>,
	linux-mm <linux-mm@kvack.org>,
	linux-ext4 <linux-ext4@vger.kernel.org>,
	Andreas Dilger <adilger.kernel@dilger.ca>,
	Jaegeuk Kim <jaegeuk@kernel.org>, "Theodore Ts'o" <tytso@mit.edu>,
	Chao Yu <chao@kernel.org>, Arnd Bergmann <arnd@arndb.de>,
	linux-f2fs-devel@lists.sourceforge.net,
	Hugh Dickins <hughd@google.com>,
	Andrea Arcangeli <aarcange@redhat.com>,
	Matthew Wilcox <willy@infradead.org>,
	Chao Yu <yuchao0@huawei.com>,
	lkft-triage@lists.linaro.org
Subject: Re: mm: mkfs.ext4 invoked oom-killer on i386 - pagecache_get_page
Date: Fri, 1 May 2020 13:58:06 -0700	[thread overview]
Message-ID: <20200501135806.4eebf0b92f84ab60bba3e1e7@linux-foundation.org> (raw)
In-Reply-To: <CA+G9fYu2ruH-8uxBHE0pdE6RgRTSx4QuQPAN=Nv3BCdRd2ouYA@mail.gmail.com>

On Fri, 1 May 2020 18:08:28 +0530 Naresh Kamboju <naresh.kamboju@linaro.org> wrote:

> mkfs -t ext4 invoked oom-killer on i386 kernel running on x86_64 device
> and started happening on linux -next master branch kernel tag next-20200430
> and next-20200501. We did not bisect this problem.

It would be wonderful if you could do so, please.  I can't immediately see
any MM change in this area which might cause this.

> metadata
>   git branch: master
>   git repo: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
>   git commit: e4a08b64261ab411b15580c369a3b8fbed28bbc1
>   git describe: next-20200430
>   make_kernelversion: 5.7.0-rc3
>   kernel-config:
> https://builds.tuxbuild.com/1YrE_XUQ6odA52tSBM919w/kernel.config
> 
> Steps to reproduce: (always reproducible)

Reproducibility helps!

> oom-killer: gfp_mask=0x101cc0(GFP_USER|__GFP_WRITE), order=0,

> [   34.793430]  pagecache_get_page+0xae/0x260

> [   34.897923] active_anon:5366 inactive_anon:2172 isolated_anon:0
> [   34.897923]  active_file:4151 inactive_file:212494 isolated_file:0
> [   34.897923]  unevictable:0 dirty:16505 writeback:6520 unstable:0

> [ 34.987678] Normal free:3948kB min:7732kB low:8640kB high:9548kB
> reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB
> active_file:1096kB inactive_file:786400kB unevictable:0kB
> writepending:65432kB present:884728kB managed:845576kB mlocked:0kB
> kernel_stack:1112kB pagetables:0kB bounce:0kB free_pcp:2908kB
> local_pcp:500kB free_cma:0kB

ZONE_NORMAL has a huge amount of clean pagecache stuck on the
inactive list, not being reclaimed.

  reply	other threads:[~2020-05-01 20:58 UTC|newest]

Thread overview: 50+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-01 12:38 mm: mkfs.ext4 invoked oom-killer on i386 - pagecache_get_page Naresh Kamboju
2020-05-01 20:58 ` Andrew Morton [this message]
2020-05-18 14:10   ` Naresh Kamboju
2020-05-19  7:52     ` Michal Hocko
2020-05-19  8:11       ` Arnd Bergmann
2020-05-19  8:45         ` Michal Hocko
2020-05-20 11:56           ` Naresh Kamboju
2020-05-20 17:59             ` Naresh Kamboju
2020-05-20 19:09               ` Chris Down
2020-05-21  9:22                 ` Naresh Kamboju
2020-05-21  9:35                   ` Arnd Bergmann
2020-05-21  9:55                 ` Michal Hocko
2020-05-21 10:41                   ` Naresh Kamboju
2020-05-21 10:58                     ` Michal Hocko
2020-05-21 12:24                       ` Hugh Dickins
2020-05-21 12:44                         ` Michal Hocko
2020-05-21 19:17                           ` Johannes Weiner
2020-05-21 20:06                             ` Hugh Dickins
2020-05-21 21:58                               ` Johannes Weiner
2020-05-21 23:35                                 ` Hugh Dickins
2020-05-28 14:59                                 ` Michal Hocko
2020-05-21 16:34                   ` Michal Hocko
2020-05-21 19:00                     ` Naresh Kamboju
2020-05-21 20:53                       ` Naresh Kamboju
2020-05-28 15:03                         ` Michal Hocko
2020-05-28 16:17                           ` Naresh Kamboju
2020-05-28 16:41                             ` Chris Down
2020-05-29  1:50                               ` Yafang Shao
2020-05-29  1:56                                 ` Chris Down
2020-05-29  9:49                                   ` Michal Hocko
2020-06-11  9:55                                     ` Michal Hocko
2020-06-12  9:43                                       ` Naresh Kamboju
2020-06-12 12:09                                         ` Michal Hocko
2020-06-17 13:37                     ` Naresh Kamboju
2020-06-17 13:57                       ` Chris Down
2020-06-17 14:11                         ` Michal Hocko
2020-06-17 15:53                           ` Naresh Kamboju
2020-06-17 16:06                             ` Michal Hocko
2020-06-17 20:13                               ` Naresh Kamboju
2020-06-17 21:09                                 ` Chris Down
2020-06-18  1:43                                   ` Yafang Shao
2020-06-18 12:37                                     ` Chris Down
2020-06-18 12:41                                       ` Michal Hocko
2020-06-18 12:49                                         ` Chris Down
2020-06-18 14:59                                       ` Yafang Shao
2020-06-17 13:59                       ` Michal Hocko
2020-06-17 14:08                         ` Chris Down
2020-05-21  2:39               ` Yafang Shao
2020-05-21  8:58                 ` Naresh Kamboju
2020-05-21  9:47                   ` Yafang Shao

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