Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S940575AbcLWOUF (ORCPT ); Fri, 23 Dec 2016 09:20:05 -0500 Received: from merlin.infradead.org ([205.233.59.134]:37454 "EHLO merlin.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1766005AbcLWOUE (ORCPT ); Fri, 23 Dec 2016 09:20:04 -0500 Date: Fri, 23 Dec 2016 15:19:57 +0100 From: Peter Zijlstra To: Dashi DS1 Cao Cc: Hugh Dickins , Michal Hocko , "linux-mm@kvack.org" , "linux-kernel@vger.kernel.org" Subject: Re: A small window for a race condition in mm/rmap.c:page_lock_anon_vma_read Message-ID: <20161223141957.GT3107@twins.programming.kicks-ass.net> References: <23B7B563BA4E9446B962B142C86EF24ADBD62C@CNMAILEX03.lenovo.com> <20161221144343.GD593@dhcp22.suse.cz> <20161222135106.GY3124@twins.programming.kicks-ass.net> <23B7B563BA4E9446B962B142C86EF24ADBF309@CNMAILEX03.lenovo.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <23B7B563BA4E9446B962B142C86EF24ADBF309@CNMAILEX03.lenovo.com> User-Agent: Mutt/1.5.23.1 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 381 Lines: 6 On Fri, Dec 23, 2016 at 02:02:14AM +0000, Dashi DS1 Cao wrote: > The kernel version is "RELEASE: 3.10.0-327.36.3.el7.x86_64". It was the latest kernel release of CentOS 7.2 at that time, or maybe still now. This would be the point where we ask you to run a recent upstream kernel and try and reproduce the problem with that, or contact RHT for support on their franken-kernel ;-)