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-rw-r--r--tools/perf/util/env.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/perf/util/env.c b/tools/perf/util/env.c
index 9e21538c42ae..6276b340f893 100644
--- a/tools/perf/util/env.c
+++ b/tools/perf/util/env.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
#include "cpumap.h"
#include "env.h"
#include "util.h"