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-rw-r--r--include/linux/perf_event.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index e85cd1c0eaf3..7b5406e3288d 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -704,6 +704,7 @@ struct perf_event {
/* The cumulative AND of all event_caps for events in this group. */
int group_caps;
+ unsigned int group_generation;
struct perf_event *group_leader;
/*
* event->pmu will always point to pmu in which this event belongs.