diff --git a/init/main.c b/init/main.c
index 3e17a3bafe60cf2ccf85fc5bc83fd393c76a6785..3d68aaaf6160614645cb2c346275aa752dc66d4e 100644
--- a/init/main.c
+++ b/init/main.c
@@ -697,13 +697,7 @@ asmlinkage void __init start_kernel(void)
 }
 
 static int initcall_debug;
-
-static int __init initcall_debug_setup(char *str)
-{
-	initcall_debug = 1;
-	return 1;
-}
-__setup("initcall_debug", initcall_debug_setup);
+core_param(initcall_debug, initcall_debug, bool, 0644);
 
 int do_one_initcall(initcall_t fn)
 {