From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.3 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7925AC3F2D7 for ; Fri, 6 Mar 2020 04:42:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5AF022072D for ; Fri, 6 Mar 2020 04:42:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726702AbgCFEmL (ORCPT ); Thu, 5 Mar 2020 23:42:11 -0500 Received: from out30-45.freemail.mail.aliyun.com ([115.124.30.45]:44164 "EHLO out30-45.freemail.mail.aliyun.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726251AbgCFEmK (ORCPT ); Thu, 5 Mar 2020 23:42:10 -0500 X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R861e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=e01e04426;MF=alex.shi@linux.alibaba.com;NM=1;PH=DS;RN=17;SR=0;TI=SMTPD_---0TrnYBhg_1583469723; Received: from IT-FVFX43SYHV2H.local(mailfrom:alex.shi@linux.alibaba.com fp:SMTPD_---0TrnYBhg_1583469723) by smtp.aliyun-inc.com(127.0.0.1); Fri, 06 Mar 2020 12:42:04 +0800 Subject: Re: [failures] mm-vmscan-remove-unnecessary-lruvec-adding.patch removed from -mm tree To: Hugh Dickins , Qian Cai Cc: Matthew Wilcox , LKML , Andrew Morton , aarcange@redhat.com, daniel.m.jordan@oracle.com, hannes@cmpxchg.org, khlebnikov@yandex-team.ru, kirill@shutemov.name, kravetz@us.ibm.com, mhocko@kernel.org, mm-commits@vger.kernel.org, tj@kernel.org, vdavydov.dev@gmail.com, yang.shi@linux.alibaba.com, linux-mm@kvack.org References: <20200306025041.rERhvnYmB%akpm@linux-foundation.org> <211632B1-2D6F-4BFA-A5A0-3030339D3D2A@lca.pw> <20200306033850.GO29971@bombadil.infradead.org> <97EE83E1-FEC9-48B6-98E8-07FB3FECB961@lca.pw> From: Alex Shi Message-ID: <9eb3efe1-f203-c3b1-679d-5e158fd8639f@linux.alibaba.com> Date: Fri, 6 Mar 2020 12:42:03 +0800 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:68.0) Gecko/20100101 Thunderbird/68.4.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 在 2020/3/6 下午12:17, Hugh Dickins 写道: > On Thu, 5 Mar 2020, Qian Cai wrote: >>> On Mar 5, 2020, at 10:38 PM, Matthew Wilcox wrote: >>> >>> On Thu, Mar 05, 2020 at 10:32:18PM -0500, Qian Cai wrote: >>>>> On Mar 5, 2020, at 9:50 PM, akpm@linux-foundation.org wrote: >>>>> The patch titled >>>>> Subject: mm/vmscan: remove unnecessary lruvec adding >>>>> has been removed from the -mm tree. Its filename was >>>>> mm-vmscan-remove-unnecessary-lruvec-adding.patch >>>>> >>>>> This patch was dropped because it had testing failures >>>> Andrew, do you have more information about this failure? I hit a bug >>>> here under memory pressure and am wondering if this is related >>>> which might save me some time digging… > Very likely related. > Hi all, Apologize for the trouble! And Many thanks for you all for the report! Obviously, I missed memory stress testing which I should do. Apologize again! Qian Cai, Which test case are you using? Could you share the reproduce steps for me? Hugh, Many thanks for help! I will seek some memory stress case and waiting for your case. Thank you all! Alex