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-rw-r--r--tools/perf/util/header.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/perf/util/header.h b/tools/perf/util/header.h
index 3d87ca823c0a..d306ca118449 100644
--- a/tools/perf/util/header.h
+++ b/tools/perf/util/header.h
@@ -121,7 +121,7 @@ int perf_event__synthesize_event_update_cpus(struct perf_tool *tool,
perf_event__handler_t process);
int perf_event__process_attr(struct perf_tool *tool, union perf_event *event,
struct perf_evlist **pevlist);
-int perf_event__process_event_update(struct perf_tool *tool __maybe_unused,
+int perf_event__process_event_update(struct perf_tool *tool,
union perf_event *event,
struct perf_evlist **pevlist);
size_t perf_event__fprintf_event_update(union perf_event *event, FILE *fp);