--- old/src/share/vm/gc_implementation/g1/g1CollectedHeap.hpp	2015-03-18 13:56:06.144889269 +0100
+++ new/src/share/vm/gc_implementation/g1/g1CollectedHeap.hpp	2015-03-18 13:56:06.066886950 +0100
@@ -350,6 +350,12 @@
   // heap after a compaction.
   void print_hrm_post_compaction();
 
+  // Create a memory mapper for auxiliary data structures of the given size and
+  // translation factor.
+  static G1RegionToSpaceMapper* create_aux_memory_mapper(const char* description,
+                                                         size_t size,
+                                                         size_t translation_factor);
+
   double verify(bool guard, const char* msg);
   void verify_before_gc();
   void verify_after_gc();