diff --git a/tools/perf/util/symbol.h b/tools/perf/util/symbol.h
index 1f00388..5649d63 100644
--- a/tools/perf/util/symbol.h
+++ b/tools/perf/util/symbol.h
@@ -242,6 +242,7 @@
 void dso__set_build_id(struct dso *dso, void *build_id);
 void dso__read_running_kernel_build_id(struct dso *dso,
 				       struct machine *machine);
+struct map *dso__new_map(const char *name);
 struct symbol *dso__find_symbol(struct dso *dso, enum map_type type,
 				u64 addr);
 struct symbol *dso__find_symbol_by_name(struct dso *dso, enum map_type type,