--- old/src/share/vm/utilities/sizes.hpp	2010-10-28 14:04:05.000000000 +0200
+++ new/src/share/vm/utilities/sizes.hpp	2010-10-28 14:04:04.000000000 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, 2004, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2000, 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 +22,12 @@
  *
  */
 
+#ifndef SHARE_VM_UTILITIES_SIZES_HPP
+#define SHARE_VM_UTILITIES_SIZES_HPP
+
+#include "memory/allocation.hpp"
+#include "utilities/globalDefinitions.hpp"
+
 // The following two classes are used to represent 'sizes' and 'offsets' in the VM;
 // they serve as 'unit' types. ByteSize is used for sizes measured in bytes, while
 // WordSize is used for sizes measured in machine words (i.e., 32bit or 64bit words
@@ -142,3 +148,5 @@
 // Use the following #define to get C++ field member offsets
 
 #define byte_offset_of(klass,field)   in_ByteSize((int)offset_of(klass, field))
+
+#endif // SHARE_VM_UTILITIES_SIZES_HPP