From: Michal Hocko <mhocko@suse.cz>
To: Sha Zhengju <handai.szj@gmail.com>
Cc: David Rientjes <rientjes@google.com>,
linux-mm@kvack.org, cgroups@vger.kernel.org,
kamezawa.hiroyu@jp.fujitsu.com, akpm@linux-foundation.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/2] memcg, oom: provide more precise dump info while memcg oom happening
Date: Thu, 8 Nov 2012 13:44:26 +0100 [thread overview]
Message-ID: <20121108124426.GF31821@dhcp22.suse.cz> (raw)
In-Reply-To: <509BA799.505@gmail.com>
On Thu 08-11-12 20:37:45, Sha Zhengju wrote:
> On 11/08/2012 02:02 AM, David Rientjes wrote:
> >On Wed, 7 Nov 2012, Sha Zhengju wrote:
[..]
> >>+ else
> >>+ show_mem(SHOW_MEM_FILTER_NODES);
> >Well that's disappointing if memcg == root_mem_cgroup, we'd probably like
> >to know the global memory state to determine what the problem is.
> >
>
> I really wondering if there is any case that can pass
> root_mem_cgroup down here.
No it cannot because the root cgroup doesn't have any limit so we cannot
trigger memcg oom killer.
--
Michal Hocko
SUSE Labs
--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org. For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
next prev parent reply other threads:[~2012-11-08 12:44 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-11-07 8:40 [PATCH V2 0/2] Provide more precise dump info for memcg-oom Sha Zhengju
2012-11-07 8:41 ` [PATCH 1/2] memcg, oom: provide more precise dump info while memcg oom happening Sha Zhengju
2012-11-07 18:02 ` David Rientjes
2012-11-08 12:37 ` Sha Zhengju
2012-11-08 12:44 ` Michal Hocko [this message]
2012-11-07 22:17 ` Michal Hocko
2012-11-08 12:45 ` Sha Zhengju
2012-11-08 9:07 ` Kamezawa Hiroyuki
2012-11-08 13:12 ` Sha Zhengju
2012-11-07 8:41 ` [PATCH 2/2] oom: rework dump_tasks to optimize memcg-oom situation Sha Zhengju
2012-11-07 18:07 ` David Rientjes
2012-11-07 22:34 ` Michal Hocko
2012-11-08 13:58 ` Sha Zhengju
2012-11-07 19:31 ` [PATCH V2 0/2] Provide more precise dump info for memcg-oom Andrew Morton
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=20121108124426.GF31821@dhcp22.suse.cz \
--to=mhocko@suse.cz \
--cc=akpm@linux-foundation.org \
--cc=cgroups@vger.kernel.org \
--cc=handai.szj@gmail.com \
--cc=kamezawa.hiroyu@jp.fujitsu.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=rientjes@google.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;
as well as URLs for NNTP newsgroup(s).