--- old/src/share/vm/gc_implementation/g1/heapRegion.cpp	2013-09-04 15:47:17.045519234 +0200
+++ new/src/share/vm/gc_implementation/g1/heapRegion.cpp	2013-09-04 15:47:16.977519236 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2001, 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2001, 2013, 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
@@ -149,6 +149,10 @@
 // many regions in the heap (based on the min heap size).
 #define TARGET_REGION_NUMBER          2048
 
+size_t HeapRegion::max_region_size() {
+  return (size_t)MAX_REGION_SIZE;
+}
+
 void HeapRegion::setup_heap_region_size(size_t initial_heap_size, size_t max_heap_size) {
   uintx region_size = G1HeapRegionSize;
   if (FLAG_IS_DEFAULT(G1HeapRegionSize)) {