diff --git a/drivers/base/arch_numa.c b/drivers/base/arch_numa.c
index f1a86af00d25dc1c748699be739fdf9ff321c6a2..a280af59a821cc79230aaa96db24f1e8424d0c33 100644
--- a/drivers/base/arch_numa.c
+++ b/drivers/base/arch_numa.c
@@ -191,7 +191,7 @@ void __init setup_per_cpu_areas(void)
 #endif
 
 #define DISTANCE_MAX		(1 << DISTANCE_BITS)
-int __init node_reclaim_distance_setup(char *str)
+static int __init node_reclaim_distance_setup(char *str)
 {
 	int val;