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-rw-r--r--tools/testing/selftests/membarrier/membarrier_test.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/testing/selftests/membarrier/membarrier_test.c b/tools/testing/selftests/membarrier/membarrier_test.c
index 21399fcf1a59..9e674d9514d1 100644
--- a/tools/testing/selftests/membarrier/membarrier_test.c
+++ b/tools/testing/selftests/membarrier/membarrier_test.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
#define _GNU_SOURCE
#include <linux/membarrier.h>
#include <syscall.h>