From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wr0-f200.google.com (mail-wr0-f200.google.com [209.85.128.200]) by kanga.kvack.org (Postfix) with ESMTP id E72C06B025F for ; Fri, 1 Dec 2017 12:02:38 -0500 (EST) Received: by mail-wr0-f200.google.com with SMTP id f4so6178096wre.9 for ; Fri, 01 Dec 2017 09:02:38 -0800 (PST) Received: from mx0a-00082601.pphosted.com (mx0a-00082601.pphosted.com. [67.231.145.42]) by mx.google.com with ESMTPS id w15si4290240edw.148.2017.12.01.09.02.32 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 01 Dec 2017 09:02:36 -0800 (PST) Date: Fri, 1 Dec 2017 17:01:49 +0000 From: Roman Gushchin Subject: Re: [PATCH v13 6/7] mm, oom, docs: describe the cgroup-aware OOM killer Message-ID: <20171201170149.GB27436@castle.DHCP.thefacebook.com> References: <20171130152824.1591-1-guro@fb.com> <20171130152824.1591-7-guro@fb.com> <20171201084154.l7i3fxtxd4fzrq7s@dhcp22.suse.cz> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: <20171201084154.l7i3fxtxd4fzrq7s@dhcp22.suse.cz> Sender: owner-linux-mm@kvack.org List-ID: To: Michal Hocko Cc: linux-mm@vger.kernel.org, Johannes Weiner , Vladimir Davydov , Tetsuo Handa , Andrew Morton , David Rientjes , Tejun Heo , kernel-team@fb.com, cgroups@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org On Fri, Dec 01, 2017 at 09:41:54AM +0100, Michal Hocko wrote: > On Thu 30-11-17 15:28:23, Roman Gushchin wrote: > > @@ -1229,6 +1252,41 @@ to be accessed repeatedly by other cgroups, it may make sense to use > > POSIX_FADV_DONTNEED to relinquish the ownership of memory areas > > belonging to the affected files to ensure correct memory ownership. > > > > +OOM Killer > > +~~~~~~~~~~ > > + > > +Cgroup v2 memory controller implements a cgroup-aware OOM killer. > > +It means that it treats cgroups as first class OOM entities. > > This should mention groupoom mount option to enable this functionality. > > Other than that looks ok to me > Acked-by: Michal Hocko > -- > Michal Hocko > SUSE Labs