--- old/src/share/vm/gc_implementation/g1/g1CollectedHeap.hpp	2015-01-29 10:54:36.428545474 +0100
+++ new/src/share/vm/gc_implementation/g1/g1CollectedHeap.hpp	2015-01-29 10:54:36.356543371 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2001, 2014, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2001, 2015, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -349,6 +349,12 @@
   // 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();