diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c
index 2eab424c8c67..7bac76ae11b3 100644
--- a/mm/zsmalloc.c
+++ b/mm/zsmalloc.c
@@ -891,7 +891,7 @@ static inline int trypin_tag(unsigned long handle)
 	return bit_spin_trylock(HANDLE_PIN_BIT, (unsigned long *)handle);
 }
 
-static void pin_tag(unsigned long handle)
+static void pin_tag(unsigned long handle) __acquires(bitlock)
 {
 	bit_spin_lock(HANDLE_PIN_BIT, (unsigned long *)handle);
 }