diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index 6b072bd..44f5763 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -89,7 +89,8 @@
 	struct list_head mm_head;
 	struct mm_slot *mm_slot;
 	unsigned long address;
-} khugepaged_scan = {
+};
+static struct khugepaged_scan khugepaged_scan = {
 	.mm_head = LIST_HEAD_INIT(khugepaged_scan.mm_head),
 };
 
@@ -2069,6 +2070,8 @@
 
 static unsigned int khugepaged_scan_mm_slot(unsigned int pages,
 					    struct page **hpage)
+	__releases(&khugepaged_mm_lock)
+	__acquires(&khugepaged_mm_lock)
 {
 	struct mm_slot *mm_slot;
 	struct mm_struct *mm;