--- old/src/share/vm/memory/compactPermGen.hpp	2010-11-16 18:14:27.000000000 +0100
+++ new/src/share/vm/memory/compactPermGen.hpp	2010-11-16 18:14:27.000000000 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, 2003, 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_MEMORY_COMPACTPERMGEN_HPP
+#define SHARE_VM_MEMORY_COMPACTPERMGEN_HPP
+
+#include "memory/generation.hpp"
+#include "memory/permGen.hpp"
+
 class ContigPermSpace;
 class CardTableModRefBS;
 class CompactingPermGenGen;
@@ -46,3 +52,5 @@
   Generation* as_gen() const { return _gen; }
 
 };
+
+#endif // SHARE_VM_MEMORY_COMPACTPERMGEN_HPP