From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pf0-f200.google.com (mail-pf0-f200.google.com [209.85.192.200]) by kanga.kvack.org (Postfix) with ESMTP id 09C30800D8 for ; Thu, 25 Jan 2018 03:11:38 -0500 (EST) Received: by mail-pf0-f200.google.com with SMTP id 82so5351102pfs.8 for ; Thu, 25 Jan 2018 00:11:38 -0800 (PST) Received: from mx2.suse.de (mx2.suse.de. [195.135.220.15]) by mx.google.com with ESMTPS id w9-v6si1563994plp.783.2018.01.25.00.11.36 for (version=TLS1 cipher=AES128-SHA bits=128/128); Thu, 25 Jan 2018 00:11:37 -0800 (PST) Date: Thu, 25 Jan 2018 09:11:34 +0100 From: Michal Hocko Subject: Re: [patch -mm 3/4] mm, memcg: replace memory.oom_group with policy tunable Message-ID: <20180125081134.GL28465@dhcp22.suse.cz> References: <20180117154155.GU3460072@devbig577.frc2.facebook.com> <20180120123251.GB1096857@devbig577.frc2.facebook.com> <20180123155301.GS1526@dhcp22.suse.cz> <20180124082041.GD1526@dhcp22.suse.cz> <20180124140805.b4eb437c6fe9dadb67a32e8a@linux-foundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20180124140805.b4eb437c6fe9dadb67a32e8a@linux-foundation.org> Sender: owner-linux-mm@kvack.org List-ID: To: Andrew Morton Cc: David Rientjes , Tejun Heo , Roman Gushchin , Vladimir Davydov , Johannes Weiner , Tetsuo Handa , kernel-team@fb.com, cgroups@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org On Wed 24-01-18 14:08:05, Andrew Morton wrote: [...] > Can we please try to narrow the scope of this issue by concentrating on > the userspace interfaces? David believes that the mount option and > memory.oom_group will disappear again in the near future, others > disagree. Mount option is the cgroups maintainers call. And they seemed to be OK with it. I've tried to explain that oom_group is something that is semantically sane and something we want to support because there are workloads which simply do not work properly when only a subset is torn down. As such it is not an API hazard AFAICS. -- 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