diff --git a/include/asm-generic/export.h b/include/asm-generic/export.h
index a3983e2..afddc54 100644
--- a/include/asm-generic/export.h
+++ b/include/asm-generic/export.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 #ifndef __ASM_GENERIC_EXPORT_H
 #define __ASM_GENERIC_EXPORT_H
 
diff --git a/include/linux/export.h b/include/linux/export.h
index 941d075..aee5c86 100644
--- a/include/linux/export.h
+++ b/include/linux/export.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 #ifndef _LINUX_EXPORT_H
 #define _LINUX_EXPORT_H
 
diff --git a/include/linux/license.h b/include/linux/license.h
index decdbf4..7cce390 100644
--- a/include/linux/license.h
+++ b/include/linux/license.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 #ifndef __LICENSE_H
 #define __LICENSE_H
 
diff --git a/include/linux/module.h b/include/linux/module.h
index 6d20895..bd165ba 100644
--- a/include/linux/module.h
+++ b/include/linux/module.h
@@ -1,11 +1,14 @@
-#ifndef _LINUX_MODULE_H
-#define _LINUX_MODULE_H
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Dynamic loading of modules into the kernel.
  *
  * Rewritten by Richard Henderson <rth@tamu.edu> Dec 1996
  * Rewritten again by Rusty Russell, 2002
  */
+
+#ifndef _LINUX_MODULE_H
+#define _LINUX_MODULE_H
+
 #include <linux/list.h>
 #include <linux/stat.h>
 #include <linux/compiler.h>