[PATCH] mm/memory_hotplug: Add static qualifier for online_policy_to_str

[Tang Yizhou <tangyizhou@xxxxxxxxxx>]

online_policy_to_str is only used in memory_hotplug.c and should be
defined as static.

Signed-off-by: Tang Yizhou <tangyizhou@xxxxxxxxxx>
---
 mm/memory_hotplug.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index 0488eed3327c..4ea91c3ff768 100644
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -57,7 +57,7 @@ enum {
 	ONLINE_POLICY_AUTO_MOVABLE,
 };
 
-const char *online_policy_to_str[] = {
+static const char * const online_policy_to_str[] = {
 	[ONLINE_POLICY_CONTIG_ZONES] = "contig-zones",
 	[ONLINE_POLICY_AUTO_MOVABLE] = "auto-movable",
 };
-- 
2.17.1