.map = zero_map,
};
-int __init dm_zero_init(void)
+static int __init dm_zero_init(void)
{
int r = dm_register_target(&zero_target);
return r;
}
-void __exit dm_zero_exit(void)
+static void __exit dm_zero_exit(void)
{
int r = dm_unregister_target(&zero_target);