src/hotspot/share/gc/z/zRelocationSetSelector.hpp

@@ -52,10 +52,24 @@
   size_t empty() const;
   size_t compacting_from() const;
   size_t compacting_to() const;
 };
 
+class ZRelocationSetSelectorStats {
+  friend class ZRelocationSetSelector;
+
+private:
+  ZRelocationSetSelectorGroupStats _small;
+  ZRelocationSetSelectorGroupStats _medium;
+  ZRelocationSetSelectorGroupStats _large;
+
+public:
+  const ZRelocationSetSelectorGroupStats& small() const;
+  const ZRelocationSetSelectorGroupStats& medium() const;
+  const ZRelocationSetSelectorGroupStats& large() const;
+};
+
 class ZRelocationSetSelectorGroup {
 private:
   const char* const                _name;
   const size_t                     _page_size;
   const size_t                     _object_size_limit;

@@ -95,11 +109,9 @@
 
   void register_live_page(ZPage* page);
   void register_garbage_page(ZPage* page);
   void select(ZRelocationSet* relocation_set);
 
-  const ZRelocationSetSelectorGroupStats& stats_small() const;
-  const ZRelocationSetSelectorGroupStats& stats_medium() const;
-  const ZRelocationSetSelectorGroupStats& stats_large() const;
+  ZRelocationSetSelectorStats stats() const;
 };
 
 #endif // SHARE_GC_Z_ZRELOCATIONSETSELECTOR_HPP