Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S935117AbcLVMDr (ORCPT ); Thu, 22 Dec 2016 07:03:47 -0500 Received: from mx2.suse.de ([195.135.220.15]:37307 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756193AbcLVMDp (ORCPT ); Thu, 22 Dec 2016 07:03:45 -0500 Date: Thu, 22 Dec 2016 13:03:41 +0100 From: Michal Hocko To: Dashi DS1 Cao Cc: "linux-mm@kvack.org" , "linux-kernel@vger.kernel.org" , Peter Zijlstra Subject: Re: A small window for a race condition in mm/rmap.c:page_lock_anon_vma_read Message-ID: <20161222120340.GI6048@dhcp22.suse.cz> References: <23B7B563BA4E9446B962B142C86EF24ADBD62C@CNMAILEX03.lenovo.com> <20161221144343.GD593@dhcp22.suse.cz> <23B7B563BA4E9446B962B142C86EF24ADBEBB6@CNMAILEX03.lenovo.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <23B7B563BA4E9446B962B142C86EF24ADBEBB6@CNMAILEX03.lenovo.com> User-Agent: Mutt/1.6.0 (2016-04-01) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 175 Lines: 7 On Thu 22-12-16 11:53:26, Dashi DS1 Cao wrote: > I've used another dump with similar backtrace. Please also dump the anon_vma of the page as well. -- Michal Hocko SUSE Labs