I happened to find the spinlock in struct ns_cgroup is never
used.
Signed-off-by: Li Zefan <lizf@xxxxxxxxxxxxxx>
---
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
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