[patch] mm, memcg: make mem_cgroup_out_of_memory static

[David Rientjes <rientjes@google.com>]

mem_cgroup_out_of_memory() is only referenced from within file scope, so 
it can be marked static.

Signed-off-by: David Rientjes <rientjes@google.com>
---
 include/linux/oom.h |    2 --
 mm/memcontrol.c     |    4 ++--
 2 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/include/linux/oom.h b/include/linux/oom.h
--- a/include/linux/oom.h
+++ b/include/linux/oom.h
@@ -56,8 +56,6 @@ extern void check_panic_on_oom(enum oom_constraint constraint, gfp_t gfp_mask,
 extern enum oom_scan_t oom_scan_process_thread(struct task_struct *task,
 		unsigned long totalpages, const nodemask_t *nodemask,
 		bool force_kill);
-extern void mem_cgroup_out_of_memory(struct mem_cgroup *memcg, gfp_t gfp_mask,
-				     int order);
 
 extern void out_of_memory(struct zonelist *zonelist, gfp_t gfp_mask,
 		int order, nodemask_t *mask, bool force_kill);
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 7acf43b..e4e9b18 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -1465,8 +1465,8 @@ static u64 mem_cgroup_get_limit(struct mem_cgroup *memcg)
 	return min(limit, memsw);
 }
 
-void mem_cgroup_out_of_memory(struct mem_cgroup *memcg, gfp_t gfp_mask,
-			      int order)
+static void mem_cgroup_out_of_memory(struct mem_cgroup *memcg, gfp_t gfp_mask,
+				     int order)
 {
 	struct mem_cgroup *iter;
 	unsigned long chosen_points = 0;

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