diff --git a/include/asm-generic/hugetlb.h b/include/asm-generic/hugetlb.h
index 540354f..9d0cde8a 100644
--- a/include/asm-generic/hugetlb.h
+++ b/include/asm-generic/hugetlb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ASM_GENERIC_HUGETLB_H
 #define _ASM_GENERIC_HUGETLB_H