From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wm0-f72.google.com (mail-wm0-f72.google.com [74.125.82.72]) by kanga.kvack.org (Postfix) with ESMTP id E4FC36B0263 for ; Mon, 23 May 2016 08:08:22 -0400 (EDT) Received: by mail-wm0-f72.google.com with SMTP id 81so26788399wms.3 for ; Mon, 23 May 2016 05:08:22 -0700 (PDT) Received: from mail-wm0-f67.google.com (mail-wm0-f67.google.com. [74.125.82.67]) by mx.google.com with ESMTPS id o2si15650605wma.8.2016.05.23.05.08.21 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 23 May 2016 05:08:21 -0700 (PDT) Received: by mail-wm0-f67.google.com with SMTP id 67so14347147wmg.0 for ; Mon, 23 May 2016 05:08:21 -0700 (PDT) Date: Mon, 23 May 2016 14:08:20 +0200 From: Michal Hocko Subject: Re: [PATCH] mm: memcontrol: fix the return in mem_cgroup_margin Message-ID: <20160523120820.GQ2278@dhcp22.suse.cz> References: <1463556255-31892-1-git-send-email-roy.qing.li@gmail.com> <20160518073253.GC21654@dhcp22.suse.cz> <20160523103758.GB7917@esperanza> <20160523120620.GP2278@dhcp22.suse.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160523120620.GP2278@dhcp22.suse.cz> Sender: owner-linux-mm@kvack.org List-ID: To: Li RongQing Cc: Vladimir Davydov , cgroups@vger.kernel.org, linux-mm@kvack.org, Johannes Weiner On Mon 23-05-16 14:06:20, Michal Hocko wrote: [...] > I have completely missed a potential interaction with > __GFP_NOFAIL. We even do not seem to trigger the memcg OOM killer for > these requests to sort the situation out. Which is intentional. a0d8b00a3381 ("mm: memcg: do not declare OOM from __GFP_NOFAIL allocations") -- Michal Hocko SUSE Labs -- 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: email@kvack.org