diff --git a/arch/sparc/mm/extable.c b/arch/sparc/mm/extable.c
index 2422511..241b406 100644
--- a/arch/sparc/mm/extable.c
+++ b/arch/sparc/mm/extable.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * linux/arch/sparc/mm/extable.c
  */