From: Michal Hocko <mhocko@kernel.org>
To: zgpeng.linux@gmail.com
Cc: akpm@linux-foundation.org, hannes@cmpxchg.org,
vdavydov.dev@gmail.com, shakeelb@google.com, linux-mm@kvack.org,
cgroups@vger.kernel.org, linux-kernel@vger.kernel.org,
zgpeng <zgpeng@tencent.com>
Subject: Re: [PATCH] oom: choose a more suitable process to kill while all processes are not killable
Date: Fri, 20 Dec 2019 08:13:34 +0100 [thread overview]
Message-ID: <20191220071334.GB20332@dhcp22.suse.cz> (raw)
In-Reply-To: <1576823172-25943-1-git-send-email-zgpeng.linux@gmail.com>
On Fri 20-12-19 14:26:12, zgpeng.linux@gmail.com wrote:
> From: zgpeng <zgpeng@tencent.com>
>
> It has been found in multiple business scenarios that when a oom occurs
> in a cgroup, the process that consumes the most memory in the cgroup is
> not killed first. Analysis of the reasons found that each process in the
> cgroup oom_score_adj is set to -998, oom_badness in the calculation of
> points, if points is negative, uniformly set it to 1.
Can you provide an example of the oom report?
--
Michal Hocko
SUSE Labs
next prev parent reply other threads:[~2019-12-20 7:13 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-12-20 6:26 zgpeng.linux
2019-12-20 7:13 ` Michal Hocko [this message]
2019-12-20 9:56 ` 彭志刚
2019-12-20 11:37 ` Michal Hocko
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20191220071334.GB20332@dhcp22.suse.cz \
--to=mhocko@kernel.org \
--cc=akpm@linux-foundation.org \
--cc=cgroups@vger.kernel.org \
--cc=hannes@cmpxchg.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=shakeelb@google.com \
--cc=vdavydov.dev@gmail.com \
--cc=zgpeng.linux@gmail.com \
--cc=zgpeng@tencent.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox