From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753509AbaCFUta (ORCPT ); Thu, 6 Mar 2014 15:49:30 -0500 Received: from mail-qc0-f179.google.com ([209.85.216.179]:38186 "EHLO mail-qc0-f179.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752592AbaCFUt2 (ORCPT ); Thu, 6 Mar 2014 15:49:28 -0500 Date: Thu, 6 Mar 2014 15:49:23 -0500 From: Tejun Heo To: David Rientjes Cc: Andrew Morton , Johannes Weiner , Michal Hocko , KAMEZAWA Hiroyuki , Christoph Lameter , Pekka Enberg , Mel Gorman , Oleg Nesterov , Rik van Riel , Jianguo Wu , Tim Hockin , linux-kernel@vger.kernel.org, linux-mm@kvack.org, cgroups@vger.kernel.org, linux-doc@vger.kernel.org Subject: Re: [patch 00/11] userspace out of memory handling Message-ID: <20140306204923.GF14033@htj.dyndns.org> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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