--- a/hotspot/src/share/vm/gc_implementation/g1/g1CollectedHeap.hpp	Thu Mar 05 23:47:26 2015 +0100
+++ b/hotspot/src/share/vm/gc_implementation/g1/g1CollectedHeap.hpp	Mon Mar 16 17:51:28 2015 +0300
@@ -1118,6 +1118,10 @@
   // The number of regions that are completely free.
   uint num_free_regions() const { return _hrm.num_free_regions(); }
 
+  MemoryUsage get_auxiliary_data_memory_usage() const {
+    return _hrm.get_auxiliary_data_memory_usage();
+  }
+
   // The number of regions that are not completely free.
   uint num_used_regions() const { return num_regions() - num_free_regions(); }