diff --git a/arch/sparc64/mm/init.c b/arch/sparc64/mm/init.c
index b4aeb0f..a41df7b 100644
--- a/arch/sparc64/mm/init.c
+++ b/arch/sparc64/mm/init.c
@@ -1843,7 +1843,7 @@
  * memory list again, and make sure it provides at least as much
  * memory as 'pavail' does.
  */
-static void setup_valid_addr_bitmap_from_pavail(void)
+static void __init setup_valid_addr_bitmap_from_pavail(void)
 {
 	int i;