Commit cae7a366 authored Jan 07, 2009 by Li Zefan Committed by Linus Torvalds Jan 08, 2009

ns_cgroup: remove unused spinlock



I happened to find the spinlock in struct ns_cgroup is never used.

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Cc: Paul Menage <menage@google.com>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Balbir Singh <balbir@in.ibm.com>
Cc: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

parent 75139b82

kernel/ns_cgroup.c

+0 −2

Original line number	Diff line number	Diff line
		@@ -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;
		}