From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pg0-f72.google.com (mail-pg0-f72.google.com [74.125.83.72]) by kanga.kvack.org (Postfix) with ESMTP id 723076B02B4 for ; Mon, 14 Aug 2017 18:44:07 -0400 (EDT) Received: by mail-pg0-f72.google.com with SMTP id u199so159268013pgb.13 for ; Mon, 14 Aug 2017 15:44:07 -0700 (PDT) Received: from mail-pg0-x234.google.com (mail-pg0-x234.google.com. [2607:f8b0:400e:c05::234]) by mx.google.com with ESMTPS id e8si5253724pln.721.2017.08.14.15.44.06 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 14 Aug 2017 15:44:06 -0700 (PDT) Received: by mail-pg0-x234.google.com with SMTP id l64so55665248pge.5 for ; Mon, 14 Aug 2017 15:44:06 -0700 (PDT) Date: Mon, 14 Aug 2017 15:44:04 -0700 (PDT) From: David Rientjes Subject: Re: [v5 3/4] mm, oom: introduce oom_priority for memory cgroups In-Reply-To: <20170814183213.12319-4-guro@fb.com> Message-ID: References: <20170814183213.12319-1-guro@fb.com> <20170814183213.12319-4-guro@fb.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org List-ID: To: Roman Gushchin Cc: linux-mm@kvack.org, Michal Hocko , Vladimir Davydov , Johannes Weiner , Tetsuo Handa , Tejun Heo , kernel-team@fb.com, cgroups@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org On Mon, 14 Aug 2017, Roman Gushchin wrote: > Introduce a per-memory-cgroup oom_priority setting: an integer number > within the [-10000, 10000] range, which defines the order in which > the OOM killer selects victim memory cgroups. > > OOM killer prefers memory cgroups with larger priority if they are > populated with elegible tasks. > > The oom_priority value is compared within sibling cgroups. > > The root cgroup has the oom_priority 0, which cannot be changed. > > Signed-off-by: Roman Gushchin > Cc: Michal Hocko > Cc: Vladimir Davydov > Cc: Johannes Weiner > Cc: David Rientjes > Cc: Tejun Heo > Cc: Tetsuo Handa > Cc: kernel-team@fb.com > Cc: cgroups@vger.kernel.org > Cc: linux-doc@vger.kernel.org > Cc: linux-kernel@vger.kernel.org > Cc: linux-mm@kvack.org Tested-by: David Rientjes -- 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