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 6E0B76B0033 for ; Sun, 15 Jan 2017 00:42:51 -0500 (EST) Received: by mail-pf0-f200.google.com with SMTP id 201so44005897pfw.5 for ; Sat, 14 Jan 2017 21:42:51 -0800 (PST) Received: from mail-pg0-x234.google.com (mail-pg0-x234.google.com. [2607:f8b0:400e:c05::234]) by mx.google.com with ESMTPS id 137si17609958pfa.58.2017.01.14.21.42.50 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sat, 14 Jan 2017 21:42:50 -0800 (PST) Received: by mail-pg0-x234.google.com with SMTP id 204so6321056pge.0 for ; Sat, 14 Jan 2017 21:42:50 -0800 (PST) Date: Sat, 14 Jan 2017 21:42:48 -0800 (PST) From: David Rientjes Subject: Re: [patch v2] mm, memcg: do not retry precharge charges In-Reply-To: <20170114162238.GD26139@cmpxchg.org> Message-ID: References: <20170113084014.GB25212@dhcp22.suse.cz> <20170114162238.GD26139@cmpxchg.org> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org List-ID: To: Johannes Weiner Cc: Andrew Morton , Michal Hocko , Vladimir Davydov , cgroups@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org On Sat, 14 Jan 2017, Johannes Weiner wrote: > The OOM killer livelock was the motivation for this patch. With that > ruled out, what's the point of this patch? Try a bit less hard to move > charges during task migration? > Most important part is to fail ->can_attach() instead of oom killing processes when attaching a process to a memcg hierarchy. -- 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