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-rw-r--r--samples/trace_events/Makefile1
-rw-r--r--samples/trace_events/trace-events-sample.c1
2 files changed, 2 insertions, 0 deletions
diff --git a/samples/trace_events/Makefile b/samples/trace_events/Makefile
index 0f8d92120c4e..b78344e7bbed 100644
--- a/samples/trace_events/Makefile
+++ b/samples/trace_events/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
# builds the trace events example kernel modules;
# then to use one (as root): insmod <module_name.ko>
diff --git a/samples/trace_events/trace-events-sample.c b/samples/trace_events/trace-events-sample.c
index 5522692100ba..1da597aa6141 100644
--- a/samples/trace_events/trace-events-sample.c
+++ b/samples/trace_events/trace-events-sample.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#include <linux/module.h>
#include <linux/kthread.h>