diff --git a/arch/x86/include/asm/kfence.h b/arch/x86/include/asm/kfence.h
index beeac105dae7..a0659dbd93ea 100644
--- a/arch/x86/include/asm/kfence.h
+++ b/arch/x86/include/asm/kfence.h
@@ -1,4 +1,9 @@
 /* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * x86 KFENCE support.
+ *
+ * Copyright (C) 2020, Google LLC.
+ */
 
 #ifndef _ASM_X86_KFENCE_H
 #define _ASM_X86_KFENCE_H