diff --git a/arch/arm/mm/fault.h b/arch/arm/mm/fault.h
index afc1f84..c063708 100644
--- a/arch/arm/mm/fault.h
+++ b/arch/arm/mm/fault.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __ARCH_ARM_FAULT_H
 #define __ARCH_ARM_FAULT_H