Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1423109AbbD2OgT (ORCPT ); Wed, 29 Apr 2015 10:36:19 -0400 Received: from mx1.redhat.com ([209.132.183.28]:45102 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S966091AbbD2OgS (ORCPT ); Wed, 29 Apr 2015 10:36:18 -0400 Message-ID: <5540EC36.8050202@redhat.com> Date: Wed, 29 Apr 2015 10:35:34 -0400 From: Rik van Riel User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.3.0 MIME-Version: 1.0 To: Jason Low , Peter Zijlstra , Ingo Molnar , Thomas Gleixner CC: linux-kernel@vger.kernel.org, "Paul E. McKenney" , Andrew Morton , Oleg Nesterov , Frederic Weisbecker , Mel Gorman , Steven Rostedt , Preeti U Murthy , Mike Galbraith , Davidlohr Bueso , Waiman Long , Aswin Chandramouleeswaran , Scott J Norton Subject: Re: [PATCH v2 2/5] sched, numa: Document usages of mm->numa_scan_seq References: <1430251224-5764-1-git-send-email-jason.low2@hp.com> <1430251224-5764-3-git-send-email-jason.low2@hp.com> In-Reply-To: <1430251224-5764-3-git-send-email-jason.low2@hp.com> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 580 Lines: 14 On 04/28/2015 04:00 PM, Jason Low wrote: > The p->mm->numa_scan_seq is accessed using READ_ONCE/WRITE_ONCE > and modified without exclusive access. It is not clear why it is > accessed this way. This patch provides some documentation on that. > > Signed-off-by: Jason Low Acked-by: Rik van Riel -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/