1 files changed, 2 insertions, 1 deletions

diff --git a/tools/perf/util/hist.h b/tools/perf/util/hist.h
index e5f99b24048b..7b48590c3ee8 100644
--- a/tools/perf/util/hist.h
+++ b/tools/perf/util/hist.h
@@ -10,8 +10,9 @@ struct perf_session;
 struct hist_entry;
 struct addr_location;
 struct symbol;
+struct rb_root;
 
-struct hist_entry *__perf_session__add_hist_entry(struct perf_session *self,
+struct hist_entry *__perf_session__add_hist_entry(struct rb_root *hists,
                                                   struct addr_location *al,
                                                   struct symbol *parent,
                                                   u64 count, bool *hit);