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From: Michal Hocko <mhocko@suse.cz>
To: David Rientjes <rientjes@google.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
	linux-kernel@vger.kernel.org, linux-mm@kvack.org,
	cgroups@vger.kernel.org,
	"Eric W. Biederman" <ebiederm@xmission.com>
Subject: Re: [patch 1/2] mm, memcg: avoid oom notification when current needs access to memory reserves
Date: Wed, 15 Jan 2014 15:34:49 +0100	[thread overview]
Message-ID: <20140115143449.GN8782@dhcp22.suse.cz> (raw)
In-Reply-To: <alpine.DEB.2.02.1401121404530.20999@chino.kir.corp.google.com>

On Sun 12-01-14 14:10:49, David Rientjes wrote:
> On Fri, 10 Jan 2014, Johannes Weiner wrote:
> 
> > > > > It was acked-by Michal.
> > 
> > Michal acked it before we had most of the discussions and now he is
> > proposing an alternate version of yours, a patch that you are even
> > discussing with him concurrently in another thread.  To claim he is
> > still backing your patch because of that initial ack is disingenuous.
> > 
> 
> His patch depends on mine, Johannes.

Does it? Are we talking about the same patch here?
https://lkml.org/lkml/2013/12/12/174

Which depends on yours only to revert your part. I plan to repost it but
that still doesn't mean it will get merged because Johannes still has
some argumnets against. I would like to start the discussion again
because now we are so deep in circles that it is hard to come up with a
reasonable outcome. It is still hard to e.g. agree on an actual fix
for a real problem https://lkml.org/lkml/2013/12/12/129.

While notification might be an issue as well it is more of a corner case
than a regular one. So let's try to move on, agree on the "oom vs.
PF_EXITING) first and lay out discussion for the notification in a new
threa. Shall we?
-- 
Michal Hocko
SUSE Labs

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  reply	other threads:[~2014-01-15 14:34 UTC|newest]

Thread overview: 87+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-10-31  1:39 [patch] mm, memcg: add memory.oom_control notification for system oom David Rientjes
2013-10-31  5:49 ` Johannes Weiner
2013-11-13 22:19   ` David Rientjes
2013-11-13 23:34     ` Johannes Weiner
2013-11-14  0:56       ` David Rientjes
2013-11-14  3:25         ` Johannes Weiner
2013-11-14 22:57           ` David Rientjes
2013-11-14 23:26             ` [patch 1/2] mm, memcg: avoid oom notification when current needs access to memory reserves David Rientjes
2013-11-14 23:26               ` [patch 2/2] mm, memcg: add memory.oom_control notification for system oom David Rientjes
2013-11-18 18:52                 ` Michal Hocko
2013-11-19  1:25                   ` David Rientjes
2013-11-19 12:41                     ` Michal Hocko
2013-11-18 12:52               ` [patch 1/2] mm, memcg: avoid oom notification when current needs access to memory reserves Michal Hocko
2013-11-18 12:55                 ` Michal Hocko
2013-11-19  1:19                   ` David Rientjes
2013-11-18 15:41               ` Johannes Weiner
2013-11-18 16:51                 ` Michal Hocko
2013-11-19  1:22                   ` David Rientjes
2013-11-22 16:51                   ` Johannes Weiner
2013-11-27  0:53                     ` David Rientjes
2013-11-27 16:34                       ` Johannes Weiner
2013-11-27 21:51                         ` David Rientjes
2013-11-27 23:19                           ` Johannes Weiner
2013-11-28  0:22                             ` David Rientjes
2013-11-28  2:28                               ` Johannes Weiner
2013-11-28  2:52                                 ` David Rientjes
2013-11-28  3:16                                   ` Johannes Weiner
2013-12-02 20:02                         ` Michal Hocko
2013-12-02 21:25                           ` Johannes Weiner
2013-12-03 12:04                             ` Michal Hocko
2013-12-03 20:17                               ` Johannes Weiner
2013-12-03 21:00                                 ` Michal Hocko
2013-12-03 21:23                                   ` Johannes Weiner
2013-12-03 23:50                               ` David Rientjes
2013-12-04  3:34                                 ` Johannes Weiner
2013-12-04 11:13                                 ` Michal Hocko
2013-12-05  0:23                                   ` David Rientjes
2013-12-09 12:48                                     ` Michal Hocko
2013-12-09 21:46                                       ` David Rientjes
2013-12-09 22:51                                         ` Johannes Weiner
2013-12-09 23:05                                         ` Johannes Weiner
2014-01-10  0:34                                           ` David Rientjes
2013-12-10 10:38                                         ` Michal Hocko
2013-12-11  1:03                                           ` David Rientjes
2013-12-11  9:55                                             ` Michal Hocko
2013-12-11 22:40                                               ` David Rientjes
2013-12-12 10:31                                                 ` Michal Hocko
2013-12-12 10:50                                                   ` Michal Hocko
2013-12-12 12:11                                                   ` Michal Hocko
2013-12-12 12:37                                                     ` Michal Hocko
2013-12-13 23:55                                                   ` David Rientjes
2013-12-17 16:23                                                     ` Michal Hocko
2013-12-17 20:50                                                       ` David Rientjes
2013-12-18 20:04                                                         ` Michal Hocko
2013-12-19  6:09                                                           ` David Rientjes
2013-12-19 14:41                                                             ` Michal Hocko
2014-01-08  0:25                                                               ` Andrew Morton
2014-01-08 10:33                                                                 ` Michal Hocko
2014-01-09 14:30                                                                   ` [PATCH] memcg: Do not hang on OOM when killed by userspace OOM " Michal Hocko
2014-01-09 21:40                                                                     ` David Rientjes
2014-01-10  8:23                                                                       ` Michal Hocko
2014-01-10 21:33                                                                         ` David Rientjes
2014-01-15 14:26                                                                           ` Michal Hocko
2014-01-15 21:19                                                                             ` David Rientjes
2014-01-16 10:12                                                                               ` Michal Hocko
2014-01-21  6:13                                                                                 ` David Rientjes
2014-01-21 13:21                                                                                   ` Michal Hocko
2014-01-09 21:34                                                                 ` [patch 1/2] mm, memcg: avoid oom notification when current needs " David Rientjes
2014-01-09 22:47                                                                   ` Andrew Morton
2014-01-10  0:01                                                                     ` David Rientjes
2014-01-10  0:12                                                                       ` Andrew Morton
2014-01-10  0:23                                                                         ` David Rientjes
2014-01-10  0:35                                                                           ` David Rientjes
2014-01-10 22:14                                                                           ` Johannes Weiner
2014-01-12 22:10                                                                             ` David Rientjes
2014-01-15 14:34                                                                               ` Michal Hocko [this message]
2014-01-15 21:23                                                                                 ` David Rientjes
2014-01-16  9:32                                                                                   ` Michal Hocko
2014-01-21  5:58                                                                                     ` David Rientjes
2014-01-21  6:04                                                                                       ` Greg Kroah-Hartmann
2014-01-21  6:08                                                                                         ` David Rientjes
2014-01-10  8:30                                                                       ` Michal Hocko
2014-01-10 21:38                                                                         ` David Rientjes
2014-01-10 22:34                                                                           ` Johannes Weiner
2014-01-12 22:14                                                                             ` David Rientjes
2013-11-18 15:54             ` [patch] mm, memcg: add memory.oom_control notification for system oom Johannes Weiner
2013-11-18 23:15               ` One Thousand Gnomes

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