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-rw-r--r--include/linux/list_sort.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/list_sort.h b/include/linux/list_sort.h
index 1a2df2efb7..9260df2fb1 100644
--- a/include/linux/list_sort.h
+++ b/include/linux/list_sort.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
#ifndef _LINUX_LIST_SORT_H
#define _LINUX_LIST_SORT_H