From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-qt0-f199.google.com (mail-qt0-f199.google.com [209.85.216.199]) by kanga.kvack.org (Postfix) with ESMTP id 1FCD46B0038 for ; Sat, 24 Dec 2016 21:22:38 -0500 (EST) Received: by mail-qt0-f199.google.com with SMTP id d22so61752223qtd.3 for ; Sat, 24 Dec 2016 18:22:38 -0800 (PST) Received: from mail1.bemta8.messagelabs.com (mail1.bemta8.messagelabs.com. [216.82.243.194]) by mx.google.com with ESMTPS id p52si23090804qta.125.2016.12.24.18.22.37 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sat, 24 Dec 2016 18:22:37 -0800 (PST) From: Dashi DS1 Cao Subject: RE: A small window for a race condition in mm/rmap.c:page_lock_anon_vma_read Date: Sun, 25 Dec 2016 02:22:31 +0000 Message-ID: <23B7B563BA4E9446B962B142C86EF24ADBFD2D@CNMAILEX03.lenovo.com> References: <23B7B563BA4E9446B962B142C86EF24ADBD62C@CNMAILEX03.lenovo.com> <20161221144343.GD593@dhcp22.suse.cz> <20161222135106.GY3124@twins.programming.kicks-ass.net> <23B7B563BA4E9446B962B142C86EF24ADBF309@CNMAILEX03.lenovo.com> <20161223141957.GT3107@twins.programming.kicks-ass.net> In-Reply-To: <20161223141957.GT3107@twins.programming.kicks-ass.net> Content-Language: zh-CN Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Sender: owner-linux-mm@kvack.org List-ID: To: Peter Zijlstra Cc: Hugh Dickins , Michal Hocko , "linux-mm@kvack.org" , "linux-kernel@vger.kernel.org" It's a CentOS 7.2, so there is point in asking RHT. I'll try to persuade th= e customer to have a try with kernel version 4.9, if only I can get it work= with CentOS 7.2. Dashi Cao -----Original Message----- From: Peter Zijlstra [mailto:peterz@infradead.org]=20 Sent: Friday, December 23, 2016 10:20 PM To: Dashi DS1 Cao Cc: Hugh Dickins ; Michal Hocko ; linu= x-mm@kvack.org; linux-kernel@vger.kernel.org Subject: Re: A small window for a race condition in mm/rmap.c:page_lock_ano= n_vma_read 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 l= atest 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 an= d try and reproduce the problem with that, or contact RHT for support on th= eir franken-kernel ;-) -- 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