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-rw-r--r--include/linux/list_nulls.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/list_nulls.h b/include/linux/list_nulls.h
index 87ff4f58a2f0..3ef96743db8d 100644
--- a/include/linux/list_nulls.h
+++ b/include/linux/list_nulls.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_LIST_NULLS_H
#define _LINUX_LIST_NULLS_H