From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756150AbYKUD7t (ORCPT ); Thu, 20 Nov 2008 22:59:49 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756430AbYKUD7T (ORCPT ); Thu, 20 Nov 2008 22:59:19 -0500 Received: from cn.fujitsu.com ([222.73.24.84]:59640 "EHLO song.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1752802AbYKUD7S (ORCPT ); Thu, 20 Nov 2008 22:59:18 -0500 Message-ID: <49263214.5080604@cn.fujitsu.com> Date: Fri, 21 Nov 2008 11:59:16 +0800 From: Li Zefan User-Agent: Thunderbird 2.0.0.9 (X11/20071115) MIME-Version: 1.0 To: Andrew Morton CC: Paul Menage , "Serge E. Hallyn" , LKML , Linux Containers Subject: [PATCH] ns_cgroup: remove unused spinlock Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org I happened to find the spinlock in struct ns_cgroup is never used. Signed-off-by: Li Zefan --- kernel/ns_cgroup.c | 2 -- 1 files changed, 0 insertions(+), 2 deletions(-) diff --git a/kernel/ns_cgroup.c b/kernel/ns_cgroup.c index 43c2111..78bc3fd 100644 --- a/kernel/ns_cgroup.c +++ b/kernel/ns_cgroup.c @@ -13,7 +13,6 @@ struct ns_cgroup { struct cgroup_subsys_state css; - spinlock_t lock; }; struct cgroup_subsys ns_subsys; @@ -84,7 +83,6 @@ static struct cgroup_subsys_state *ns_create(struct cgroup_subsys *ss, ns_cgroup = kzalloc(sizeof(*ns_cgroup), GFP_KERNEL); if (!ns_cgroup) return ERR_PTR(-ENOMEM); - spin_lock_init(&ns_cgroup->lock); return &ns_cgroup->css; } -- 1.5.4.rc3