From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pg0-f69.google.com (mail-pg0-f69.google.com [74.125.83.69]) by kanga.kvack.org (Postfix) with ESMTP id 7FB326B026B for ; Wed, 1 Nov 2017 04:31:26 -0400 (EDT) Received: by mail-pg0-f69.google.com with SMTP id r18so1890140pgu.9 for ; Wed, 01 Nov 2017 01:31:26 -0700 (PDT) Received: from lgeamrelo13.lge.com (LGEAMRELO13.lge.com. [156.147.23.53]) by mx.google.com with ESMTP id u66si93841pfa.109.2017.11.01.01.31.24 for ; Wed, 01 Nov 2017 01:31:25 -0700 (PDT) Date: Wed, 1 Nov 2017 17:31:16 +0900 From: Byungchul Park Subject: Re: possible deadlock in lru_add_drain_all Message-ID: <20171101083116.GA3172@X58A-UD3R> References: <089e0825eec8955c1f055c83d476@google.com> <20171027093418.om5e566srz2ztsrk@dhcp22.suse.cz> <20171027134234.7dyx4oshjwd44vqx@dhcp22.suse.cz> <20171030082203.4xvq2af25shfci2z@dhcp22.suse.cz> <20171030100921.GA18085@X58A-UD3R> <20171030151009.ip4k7nwan7muouca@hirez.programming.kicks-ass.net> <20171031131333.pr2ophwd2bsvxc3l@dhcp22.suse.cz> <20171031152532.uah32qiftjerc3gx@hirez.programming.kicks-ass.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20171031152532.uah32qiftjerc3gx@hirez.programming.kicks-ass.net> Sender: owner-linux-mm@kvack.org List-ID: To: Peter Zijlstra Cc: Michal Hocko , Dmitry Vyukov , syzbot , Andrew Morton , Dan Williams , Johannes Weiner , Jan Kara , jglisse@redhat.com, LKML , linux-mm@kvack.org, shli@fb.com, syzkaller-bugs@googlegroups.com, Thomas Gleixner , Vlastimil Babka , ying.huang@intel.com, kernel-team@lge.com On Tue, Oct 31, 2017 at 04:25:32PM +0100, Peter Zijlstra wrote: > But this report only includes a single (cpu-up) part and therefore is Thanks for fixing me, Peter. I thought '#1 -> #2' and '#2 -> #3', where #2 is 'cpuhp_state', should have been built with two different classes of #2 as the latest code. Sorry for confusing Michal. > not affected by that change other than a lock name changing. -- 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