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=-0.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY 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 B8451C2D0DE for ; Thu, 2 Jan 2020 01:44:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9418C24649 for ; Thu, 2 Jan 2020 01:44:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727557AbgABBog convert rfc822-to-8bit (ORCPT ); Wed, 1 Jan 2020 20:44:36 -0500 Received: from out30-42.freemail.mail.aliyun.com ([115.124.30.42]:39033 "EHLO out30-42.freemail.mail.aliyun.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725895AbgABBog (ORCPT ); Wed, 1 Jan 2020 20:44:36 -0500 X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R641e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=e01f04427;MF=teawaterz@linux.alibaba.com;NM=1;PH=DS;RN=8;SR=0;TI=SMTPD_---0TmWlbqJ_1577929467; Received: from 127.0.0.1(mailfrom:teawaterz@linux.alibaba.com fp:SMTPD_---0TmWlbqJ_1577929467) by smtp.aliyun-inc.com(127.0.0.1); Thu, 02 Jan 2020 09:44:32 +0800 Content-Type: text/plain; charset=gb2312 Mime-Version: 1.0 (Mac OS X Mail 12.4 \(3445.104.11\)) Subject: Re: [RFC] memcg: Add swappiness to cgroup2 From: teawater In-Reply-To: <20191231151621.8f1565ef8736233dbf60bca7@linux-foundation.org> Date: Thu, 2 Jan 2020 09:44:25 +0800 Cc: Hui Zhu , hannes@cmpxchg.org, mhocko@kernel.org, vdavydov.dev@gmail.com, linux-kernel@vger.kernel.org, cgroups@vger.kernel.org, linux-mm@kvack.org Content-Transfer-Encoding: 8BIT Message-Id: References: <1577252208-32419-1-git-send-email-teawater@gmail.com> <20191231151621.8f1565ef8736233dbf60bca7@linux-foundation.org> To: Andrew Morton X-Mailer: Apple Mail (2.3445.104.11) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > 在 2020年1月1日，07:16，Andrew Morton 写道： > > On Wed, 25 Dec 2019 13:36:48 +0800 Hui Zhu wrote: > >> Even if cgroup2 has swap.max, swappiness is still a very useful config. >> This commit add swappiness to cgroup2. >> >> ... >> >> --- a/mm/memcontrol.c >> +++ b/mm/memcontrol.c >> @@ -7143,6 +7143,11 @@ static struct cftype swap_files[] = { >> .file_offset = offsetof(struct mem_cgroup, swap_events_file), >> .seq_show = swap_events_show, >> }, >> + { >> + .name = "swappiness", >> + .read_u64 = mem_cgroup_swappiness_read, >> + .write_u64 = mem_cgroup_swappiness_write, >> + }, >> { } /* terminate */ >> }; > > There should be a Documentation/ update with this? > Hi Andrew, I will post a new version with Documentation/ update. Thanks, Hui > >