From: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
To: Li Zefan <lizf@cn.fujitsu.com>
Cc: Balbir Singh <balbir@linux.vnet.ibm.com>,
Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>,
"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>,
"linux-mm@kvack.org" <linux-mm@kvack.org>,
LKML <linux-kernel@vger.kernel.org>,
"akpm@linux-foundation.org" <akpm@linux-foundation.org>
Subject: Re: [BUGFIX][PATCH] memcg rcu lock fix in swap code (Was Re: [BUG] an RCU warning in memcg
Date: Fri, 23 Apr 2010 12:50:43 +0900 [thread overview]
Message-ID: <20100423125043.b3b964cd.kamezawa.hiroyu@jp.fujitsu.com> (raw)
In-Reply-To: <4BD11A24.2070500@cn.fujitsu.com>
On Fri, 23 Apr 2010 11:55:16 +0800
Li Zefan <lizf@cn.fujitsu.com> wrote:
> Li Zefan wrote:
> > KAMEZAWA Hiroyuki wrote:
> >> On Fri, 23 Apr 2010 11:00:41 +0800
> >> Li Zefan <lizf@cn.fujitsu.com> wrote:
> >>
> >>> with CONFIG_PROVE_RCU=y, I saw this warning, it's because
> >>> css_id() is not under rcu_read_lock().
> >>>
> >> Ok. Thank you for reporting.
> >> This is ok ?
> >
> > Yes, and I did some more simple tests on memcg, no more warning
> > showed up.
> >
>
> oops, after trigging oom, I saw 2 more warnings:
>
ok, I will update. thank you.
--
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:[~2010-04-23 3:54 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-04-23 3:00 Li Zefan
2010-04-23 3:14 ` [BUGFIX][PATCH] memcg rcu lock fix in swap code (Was " KAMEZAWA Hiroyuki
2010-04-23 3:32 ` Balbir Singh
2010-04-23 3:49 ` Li Zefan
2010-04-23 3:55 ` Li Zefan
2010-04-23 3:50 ` KAMEZAWA Hiroyuki [this message]
2010-04-23 4:02 ` Li Zefan
2010-04-23 3:58 ` [BUGFIX][PATCH] memcg rcu lock fix v2 KAMEZAWA Hiroyuki
2010-04-23 4:03 ` [BUGFIX][PATCH] memcg rcu lock fix v3 KAMEZAWA Hiroyuki
2010-04-23 4:41 ` Daisuke Nishimura
2010-04-23 6:10 ` Li Zefan
2010-04-23 6:05 ` KAMEZAWA Hiroyuki
2010-04-23 7:00 ` Balbir Singh
2010-04-23 6:57 ` KAMEZAWA Hiroyuki
2010-04-23 19:34 ` Paul E. McKenney
2010-04-24 2:08 ` KAMEZAWA Hiroyuki
2010-04-24 4:27 ` Paul E. McKenney
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=20100423125043.b3b964cd.kamezawa.hiroyu@jp.fujitsu.com \
--to=kamezawa.hiroyu@jp.fujitsu.com \
--cc=akpm@linux-foundation.org \
--cc=balbir@linux.vnet.ibm.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=lizf@cn.fujitsu.com \
--cc=nishimura@mxp.nes.nec.co.jp \
--cc=paulmck@linux.vnet.ibm.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