--- old/src/share/vm/memory/defNewGeneration.hpp	2010-11-16 18:14:31.000000000 +0100
+++ new/src/share/vm/memory/defNewGeneration.hpp	2010-11-16 18:14:30.000000000 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2001, 2008, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2001, 2010, 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
@@ -22,6 +22,15 @@
  *
  */
 
+#ifndef SHARE_VM_MEMORY_DEFNEWGENERATION_HPP
+#define SHARE_VM_MEMORY_DEFNEWGENERATION_HPP
+
+#include "gc_implementation/shared/ageTable.hpp"
+#include "gc_implementation/shared/cSpaceCounters.hpp"
+#include "gc_implementation/shared/generationCounters.hpp"
+#include "memory/generation.inline.hpp"
+#include "utilities/stack.hpp"
+
 class EdenSpace;
 class ContiguousSpace;
 class ScanClosure;
@@ -344,3 +353,5 @@
   // Scavenge support
   void swap_spaces();
 };
+
+#endif // SHARE_VM_MEMORY_DEFNEWGENERATION_HPP