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authorLi Zefan <lizf@cn.fujitsu.com>2009-01-07 18:07:34 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2009-01-08 08:31:02 -0800
commitcae7a366f77ea5c9f54ae98c5fc65056877a89ed (patch)
treeccc298456ee5c1d1e83bcce5f66a53a9d6a1a521
parent75139b8274c3e30354daea623f14b43a482a0bb5 (diff)
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>
-rw-r--r--kernel/ns_cgroup.c2
1 files changed, 0 insertions, 2 deletions
diff --git a/kernel/ns_cgroup.c b/kernel/ns_cgroup.c
index 43c2111cd54..78bc3fdac0d 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;
}