1 files changed, 1 insertions, 0 deletions

diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index a3e2db708072..30a94c26dcb3 100644
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -687,6 +687,7 @@ struct event_subsystem {
         struct dentry           *entry;
         struct event_filter     *filter;
         int                     nr_events;
+        int                     ref_count;
 };
 
 #define FILTER_PRED_INVALID     ((unsigned short)-1)