diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index 8f4a70f2eca8bd0a3f55c572ad967ca516a2d8e1..e56b07f5c9b67f0119d874b60a8a6bed9fda7e99 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -319,10 +319,8 @@ struct perf_event {
 	 */
 	struct list_head		migrate_entry;
 
-	union {
-		struct hlist_node	hlist_entry;
-		struct list_head	active_entry;
-	};
+	struct hlist_node		hlist_entry;
+	struct list_head		active_entry;
 	int				nr_siblings;
 	int				group_flags;
 	struct perf_event		*group_leader;
diff --git a/kernel/events/core.c b/kernel/events/core.c
index 89d34f9bb8cb7b325b91c5314e90d58ab99d29ba..c3b6c2799f34f0e119b144e328384651e91f8049 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -6670,6 +6670,8 @@ perf_event_alloc(struct perf_event_attr *attr, int cpu,
 	INIT_LIST_HEAD(&event->sibling_list);
 	INIT_LIST_HEAD(&event->rb_entry);
 	INIT_LIST_HEAD(&event->active_entry);
+	INIT_HLIST_NODE(&event->hlist_entry);
+
 
 	init_waitqueue_head(&event->waitq);
 	init_irq_work(&event->pending, perf_pending_event);