linux-kernel - Re: [patch 00/11] userspace out of memory handling

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Message-ID: <20140306204923.GF14033@htj.dyndns.org>
Date:	Thu, 6 Mar 2014 15:49:23 -0500
From:	Tejun Heo <tj@...nel.org>
To:	David Rientjes <rientjes@...gle.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Johannes Weiner <hannes@...xchg.org>,
	Michal Hocko <mhocko@...e.cz>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	Christoph Lameter <cl@...ux-foundation.org>,
	Pekka Enberg <penberg@...nel.org>,
	Mel Gorman <mgorman@...e.de>, Oleg Nesterov <oleg@...hat.com>,
	Rik van Riel <riel@...hat.com>,
	Jianguo Wu <wujianguo@...wei.com>,
	Tim Hockin <thockin@...gle.com>, linux-kernel@...r.kernel.org,
	linux-mm@...ck.org, cgroups@...r.kernel.org,
	linux-doc@...r.kernel.org
Subject: Re: [patch 00/11] userspace out of memory handling

On Tue, Mar 04, 2014 at 07:58:38PM -0800, David Rientjes wrote:
> This patchset implements userspace out of memory handling.
> 
> It is based on v3.14-rc5.  Individual patches will apply cleanly or you
> may pull the entire series from
> 
> 	git://git.kernel.org/pub/scm/linux/kernel/git/rientjes/linux.git mm/oom
> 
> When the system or a memcg is oom, processes running on that system or
> attached to that memcg cannot allocate memory.  It is impossible for a
> process to reliably handle the oom condition from userspace.

ISTR the conclusion last time was nack on the whole approach.  What
changed between then and now?  I can't detect any fundamental changes
from the description.

Thanks.

-- 
tejun
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