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=-12.8 required=3.0 tests=BAYES_00, 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 BBCC9C4363D for ; Fri, 25 Sep 2020 09:11:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 75879206B5 for ; Fri, 25 Sep 2020 09:11:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727842AbgIYJL1 (ORCPT ); Fri, 25 Sep 2020 05:11:27 -0400 Received: from out30-57.freemail.mail.aliyun.com ([115.124.30.57]:34967 "EHLO out30-57.freemail.mail.aliyun.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727044AbgIYJL0 (ORCPT ); Fri, 25 Sep 2020 05:11:26 -0400 X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R461e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=e01e04395;MF=richard.weiyang@linux.alibaba.com;NM=1;PH=DS;RN=6;SR=0;TI=SMTPD_---0UA1.jhS_1601025084; Received: from localhost(mailfrom:richard.weiyang@linux.alibaba.com fp:SMTPD_---0UA1.jhS_1601025084) by smtp.aliyun-inc.com(127.0.0.1); Fri, 25 Sep 2020 17:11:24 +0800 From: Wei Yang To: tj@kernel.org, lizefan@huawei.com, hannes@cmpxchg.org Cc: cgroups@vger.kernel.org, linux-kernel@vger.kernel.org, Wei Yang Subject: [PATCH] cgroup: remove redundant kernfs_activate in cgroup_setup_root() Date: Fri, 25 Sep 2020 17:11:10 +0800 Message-Id: <20200925091110.17189-1-richard.weiyang@linux.alibaba.com> X-Mailer: git-send-email 2.20.1 (Apple Git-117) MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This step is already done in rebind_subsystems(). Not necessary to do it again. Signed-off-by: Wei Yang --- kernel/cgroup/cgroup.c | 1 - 1 file changed, 1 deletion(-) diff --git a/kernel/cgroup/cgroup.c b/kernel/cgroup/cgroup.c index dd247747ec14..809b13588124 100644 --- a/kernel/cgroup/cgroup.c +++ b/kernel/cgroup/cgroup.c @@ -2006,7 +2006,6 @@ int cgroup_setup_root(struct cgroup_root *root, u16 ss_mask) BUG_ON(!list_empty(&root_cgrp->self.children)); BUG_ON(atomic_read(&root->nr_cgrps) != 1); - kernfs_activate(root_cgrp->kn); ret = 0; goto out; -- 2.20.1 (Apple Git-117)