1 files changed, 1 insertions, 1 deletions

diff --git a/tools/perf/util/callchain.h b/tools/perf/util/callchain.h
index 22dbaec003d5..f2e9ee164bd8 100644
--- a/tools/perf/util/callchain.h
+++ b/tools/perf/util/callchain.h
@@ -61,7 +61,7 @@ static inline u64 cumul_hits(struct callchain_node *node)
 
 int register_callchain_param(struct callchain_param *param);
 int append_chain(struct callchain_node *root, struct ip_callchain *chain,
-                 struct map_symbol *syms);
+                 struct map_symbol *syms, u64 period);
 
 bool ip_callchain__valid(struct ip_callchain *chain, event_t *event);
 #endif  /* __PERF_CALLCHAIN_H */