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=-2.2 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 87722C433DF for ; Mon, 8 Jun 2020 06:13:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 54ED420774 for ; Mon, 8 Jun 2020 06:13:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728758AbgFHGNr (ORCPT ); Mon, 8 Jun 2020 02:13:47 -0400 Received: from out30-133.freemail.mail.aliyun.com ([115.124.30.133]:39103 "EHLO out30-133.freemail.mail.aliyun.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726929AbgFHGNr (ORCPT ); Mon, 8 Jun 2020 02:13:47 -0400 X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R181e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=e01e01419;MF=alex.shi@linux.alibaba.com;NM=1;PH=DS;RN=16;SR=0;TI=SMTPD_---0U-uL44M_1591596815; Received: from IT-FVFX43SYHV2H.local(mailfrom:alex.shi@linux.alibaba.com fp:SMTPD_---0U-uL44M_1591596815) by smtp.aliyun-inc.com(127.0.0.1); Mon, 08 Jun 2020 14:13:36 +0800 Subject: Re: [PATCH v11 00/16] per memcg lru lock To: Hugh Dickins Cc: akpm@linux-foundation.org, mgorman@techsingularity.net, tj@kernel.org, khlebnikov@yandex-team.ru, daniel.m.jordan@oracle.com, yang.shi@linux.alibaba.com, willy@infradead.org, hannes@cmpxchg.org, lkp@intel.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org, cgroups@vger.kernel.org, shakeelb@google.com, iamjoonsoo.kim@lge.com, richard.weiyang@gmail.com References: <1590663658-184131-1-git-send-email-alex.shi@linux.alibaba.com> From: Alex Shi Message-ID: <31943f08-a8e8-be38-24fb-ab9d25fd96ff@linux.alibaba.com> Date: Mon, 8 Jun 2020 14:13:26 +0800 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:68.0) Gecko/20100101 Thunderbird/68.7.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=gbk Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org ÔÚ 2020/6/8 ÏÂÎç12:15, Hugh Dickins дµÀ: >> 24 files changed, 487 insertions(+), 312 deletions(-) > Hi Alex, > > I didn't get to try v10 at all, waited until Johannes's preparatory > memcg swap cleanup was in mmotm; but I have spent a while thrashing > this v11, and can happily report that it is much better than v9 etc: > I believe this memcg lru_lock work will soon be ready for v5.9. > > I've not yet found any flaw at the swapping end, but fixes are needed > for isolate_migratepages_block() and mem_cgroup_move_account(): I've > got a series of 4 fix patches to send you (I guess two to fold into > existing patches of yours, and two to keep as separate from me). > > I haven't yet written the patch descriptions, will return to that > tomorrow. I expect you will be preparing a v12 rebased on v5.8-rc1 > or v5.8-rc2, and will be able to include these fixes in that. I am very glad to get your help on this feature! and looking forward for your fixes tomorrow. :) Thanks a lot! Alex