From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pf0-f198.google.com (mail-pf0-f198.google.com [209.85.192.198]) by kanga.kvack.org (Postfix) with ESMTP id E9A3C6B0253 for ; Thu, 11 Aug 2016 19:46:53 -0400 (EDT) Received: by mail-pf0-f198.google.com with SMTP id h186so18679637pfg.2 for ; Thu, 11 Aug 2016 16:46:53 -0700 (PDT) Received: from mail-pa0-x231.google.com (mail-pa0-x231.google.com. [2607:f8b0:400e:c03::231]) by mx.google.com with ESMTPS id db4si5545262pad.90.2016.08.11.16.46.53 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 11 Aug 2016 16:46:53 -0700 (PDT) Received: by mail-pa0-x231.google.com with SMTP id fi15so2941682pac.1 for ; Thu, 11 Aug 2016 16:46:53 -0700 (PDT) Date: Fri, 12 Aug 2016 09:47:13 +1000 From: Balbir Singh Subject: Re: [RFC][PATCH] cgroup_threadgroup_rwsem - affects scalability and OOM Message-ID: <20160811234713.GA22218@350D> Reply-To: bsingharora@gmail.com References: <4717ef90-ca86-4a34-c63a-94b8b4bfaaec@gmail.com> <20160810194306.GP25053@mtj.duckdns.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160810194306.GP25053@mtj.duckdns.org> Sender: owner-linux-mm@kvack.org List-ID: To: Tejun Heo Cc: Balbir Singh , cgroups@vger.kernel.org, Oleg Nesterov , Andrew Morton , "linux-mm@kvack.org" On Wed, Aug 10, 2016 at 03:43:06PM -0400, Tejun Heo wrote: > Hello, > > Edited subject and description and applied the patch to > cgroup/for-4.8-fixes w/ stable cc'd. > Thanks, Found a typo below.. small nit > Thanks. > ------ 8< ------ > This patch moves the threadgroup_change_begin from before > cgroup_fork() to just before cgroup_canfork(). There is no nee to ^ need > worry about threadgroup changes till the task is actually added to the > threadgroup. This avoids having to call reclaim with > cgroup_threadgroup_rwsem held. > -- 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