diff --git a/kernel/sched_debug.c b/kernel/sched_debug.c
index 29f2c21..42970f7 100644
--- a/kernel/sched_debug.c
+++ b/kernel/sched_debug.c
@@ -186,7 +186,7 @@
 	return 0;
 }
 
-void sysrq_sched_debug_show(void)
+static void sysrq_sched_debug_show(void)
 {
 	sched_debug_show(NULL, NULL);
 }