hugetlb/cgroup: Mark root_h_cgroup static

Fixes sparse warning reported by Fengguang Wu

Reported-by: Fengguang Wu <wfg@linux.intel.com>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

diff --git a/mm/hugetlb_cgroup.c b/mm/hugetlb_cgroup.c
index 968a083e1db6a751c2026af6a9735f791487c3c5..0d1a66e9039bc7500d5e936b8dde718c22d2bdfe 100644 (file)
--- a/mm/hugetlb_cgroup.c
+++ b/mm/hugetlb_cgroup.c
@@ -27,7 +27,7 @@ struct hugetlb_cgroup {
 };
 
 struct cgroup_subsys hugetlb_subsys __read_mostly;
-struct hugetlb_cgroup *root_h_cgroup __read_mostly;
+static struct hugetlb_cgroup *root_h_cgroup __read_mostly;
 
 static inline
 struct hugetlb_cgroup *hugetlb_cgroup_from_css(struct cgroup_subsys_state *s)