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=-9.5 required=3.0 tests=DKIM_ADSP_CUSTOM_MED, FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, UNPARSEABLE_RELAY,USER_AGENT_GIT autolearn=ham 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 97A27C2D0C8 for ; Wed, 25 Dec 2019 05:37:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6CEE820722 for ; Wed, 25 Dec 2019 05:37:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726025AbfLYFhA (ORCPT ); Wed, 25 Dec 2019 00:37:00 -0500 Received: from out30-54.freemail.mail.aliyun.com ([115.124.30.54]:60365 "EHLO out30-54.freemail.mail.aliyun.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725798AbfLYFhA (ORCPT ); Wed, 25 Dec 2019 00:37:00 -0500 X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R131e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=e01e04426;MF=teawaterz@linux.alibaba.com;NM=1;PH=DS;RN=9;SR=0;TI=SMTPD_---0TlsqoyK_1577252212; Received: from localhost(mailfrom:teawaterz@linux.alibaba.com fp:SMTPD_---0TlsqoyK_1577252212) by smtp.aliyun-inc.com(127.0.0.1); Wed, 25 Dec 2019 13:36:57 +0800 From: Hui Zhu To: hannes@cmpxchg.org, mhocko@kernel.org, vdavydov.dev@gmail.com, akpm@linux-foundation.org, linux-kernel@vger.kernel.org, cgroups@vger.kernel.org, linux-mm@kvack.org Cc: Hui Zhu , Hui Zhu Subject: [RFC] memcg: Add swappiness to cgroup2 Date: Wed, 25 Dec 2019 13:36:48 +0800 Message-Id: <1577252208-32419-1-git-send-email-teawater@gmail.com> X-Mailer: git-send-email 2.7.4 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Even if cgroup2 has swap.max, swappiness is still a very useful config. This commit add swappiness to cgroup2. Signed-off-by: Hui Zhu --- mm/memcontrol.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/mm/memcontrol.c b/mm/memcontrol.c index c5b5f74..e966396 100644 --- 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 */ }; -- 2.7.4