memcg: mark memcg1_events static const

Mark memcg1_events static: it's only used by memcontrol.c.  And mark it
const: it's not modified.

Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Greg Thelen <[email protected]>
Acked-by: Michal Hocko <[email protected]>
Cc: Johannes Weiner <[email protected]>
Cc: Vladimir Davydov <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>

diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 2751259f0a76d8ff1ac6390a2ca127af5305c6ed..847a775af225ca6d7e1f8066f32a237f39274450 100644 (file)
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -3083,7 +3083,7 @@ static int memcg_numa_stat_show(struct seq_file *m, void *v)
 #endif /* CONFIG_NUMA */
 
 /* Universal VM events cgroup1 shows, original sort order */
-unsigned int memcg1_events[] = {
+static const unsigned int memcg1_events[] = {
        PGPGIN,
        PGPGOUT,
        PGFAULT,