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-rw-r--r--tools/perf/util/memswap.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/perf/util/memswap.c b/tools/perf/util/memswap.c
index 55f7faa8d9ec..c1317e4983bc 100644
--- a/tools/perf/util/memswap.c
+++ b/tools/perf/util/memswap.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
#include <byteswap.h>
#include "memswap.h"
#include <linux/types.h>