diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 4f3ea0b1e57c..b336690be9f6 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -1763,7 +1763,7 @@ static struct hstate *kobj_to_node_hstate(struct kobject *kobj, int *nidp)
  * Unregister hstate attributes from a single node device.
  * No-op if no hstate attributes attached.
  */
-void hugetlb_unregister_node(struct node *node)
+static void hugetlb_unregister_node(struct node *node)
 {
 	struct hstate *h;
 	struct node_hstate *nhs = &node_hstates[node->dev.id];
@@ -1807,7 +1807,7 @@ static void hugetlb_unregister_all_nodes(void)
  * Register hstate attributes for a single node device.
  * No-op if attributes already registered.
  */
-void hugetlb_register_node(struct node *node)
+static void hugetlb_register_node(struct node *node)
 {
 	struct hstate *h;
 	struct node_hstate *nhs = &node_hstates[node->dev.id];