From mboxrd@z Thu Jan  1 00:00:00 1970
From: Michal Hocko <mhocko@suse.cz>
Subject: Re: [PATCH mmotm] mm, oom: reduce dependency on tasklist_lock: fix
Date: Mon, 16 Jul 2012 11:27:19 +0200
Message-ID: <20120716092719.GD14664@tiehlicka.suse.cz>
References: <alpine.DEB.2.00.1206251846020.24838@chino.kir.corp.google.com>
 <alpine.DEB.2.00.1206291404530.6040@chino.kir.corp.google.com>
 <alpine.DEB.2.00.1206291406110.6040@chino.kir.corp.google.com>
 <20120713143206.GA4511@tiehlicka.suse.cz>
 <alpine.LSU.2.00.1207160039120.3936@eggly.anvils>
 <20120716080603.GA14664@tiehlicka.suse.cz>
 <alpine.LSU.2.00.1207160200200.4056@eggly.anvils>
Mime-Version: 1.0
Return-path: <owner-linux-mm@kvack.org>
Content-Disposition: inline
In-Reply-To: <alpine.LSU.2.00.1207160200200.4056@eggly.anvils>
Sender: owner-linux-mm@kvack.org
List-ID: <cgroups.vger.kernel.org>
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: 7bit
To: Hugh Dickins <hughd@google.com>
Cc: Andrew Morton <akpm@linux-foundation.org>, David Rientjes <rientjes@google.com>, KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>, Johannes Weiner <hannes@cmpxchg.org>, KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>, Minchan Kim <minchan@kernel.org>, Oleg Nesterov <oleg@redhat.com>, linux-mm@kvack.org, cgroups@vger.kernel.org

On Mon 16-07-12 02:01:55, Hugh Dickins wrote:
> On Mon, 16 Jul 2012, Michal Hocko wrote:
> > On Mon 16-07-12 00:42:37, Hugh Dickins wrote:
> > > Slab poisoning gave me a General Protection Fault on the
> > > 	atomic_dec(&__task_cred(p)->user->processes);
> > > line of release_task() called from wait_task_zombie(),
> > > every time my dd to USB testing generated a memcg OOM.
> > 
> > Just curious, was it with the wait-on-pagereclaim patch?
> 
> Yes, that's what I was trying to test.

I have noticed the other email already. Sorry for the noise.

> 
> Hugh

-- 
Michal Hocko
SUSE Labs
SUSE LINUX s.r.o.
Lihovarska 1060/12
190 00 Praha 9    
Czech Republic

--
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>