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-rw-r--r--tools/perf/util/xyarray.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/perf/util/xyarray.h b/tools/perf/util/xyarray.h
index 54af60462130..7ffe562e7ae7 100644
--- a/tools/perf/util/xyarray.h
+++ b/tools/perf/util/xyarray.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _PERF_XYARRAY_H_
#define _PERF_XYARRAY_H_ 1