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 BC583C2D0DE for ; Thu, 2 Jan 2020 01:44:41 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 594A72084D for ; Thu, 2 Jan 2020 01:44:41 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 594A72084D Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.alibaba.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 964298E0005; Wed, 1 Jan 2020 20:44:40 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 914E38E0003; Wed, 1 Jan 2020 20:44:40 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 82B848E0005; Wed, 1 Jan 2020 20:44:40 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0170.hostedemail.com [216.40.44.170]) by kanga.kvack.org (Postfix) with ESMTP id 6DE0D8E0003 for ; Wed, 1 Jan 2020 20:44:40 -0500 (EST) Received: from smtpin02.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with SMTP id 174942DFC for ; Thu, 2 Jan 2020 01:44:40 +0000 (UTC) X-FDA: 76330999920.02.bears20_45b5b5434951f X-HE-Tag: bears20_45b5b5434951f X-Filterd-Recvd-Size: 2382 Received: from out30-130.freemail.mail.aliyun.com (out30-130.freemail.mail.aliyun.com [115.124.30.130]) by imf40.hostedemail.com (Postfix) with ESMTP for ; Thu, 2 Jan 2020 01:44:38 +0000 (UTC) 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: quoted-printable 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) X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: > =D4=DA 2020=C4=EA1=D4=C21=C8=D5=A3=AC07:16=A3=ACAndrew Morton = =D0=B4=B5=C0=A3=BA >=20 > On Wed, 25 Dec 2019 13:36:48 +0800 Hui Zhu wrote: >=20 >> Even if cgroup2 has swap.max, swappiness is still a very useful = config. >> This commit add swappiness to cgroup2. >>=20 >> ... >>=20 >> --- a/mm/memcontrol.c >> +++ b/mm/memcontrol.c >> @@ -7143,6 +7143,11 @@ static struct cftype swap_files[] =3D { >> .file_offset =3D offsetof(struct mem_cgroup, = swap_events_file), >> .seq_show =3D swap_events_show, >> }, >> + { >> + .name =3D "swappiness", >> + .read_u64 =3D mem_cgroup_swappiness_read, >> + .write_u64 =3D mem_cgroup_swappiness_write, >> + }, >> { } /* terminate */ >> }; >=20 > There should be a Documentation/ update with this? >=20 Hi Andrew, I will post a new version with Documentation/ update. Thanks, Hui >=20 >=20