--- old/src/share/vm/gc_implementation/parallelScavenge/psPermGen.hpp	2010-11-16 18:12:37.000000000 +0100
+++ new/src/share/vm/gc_implementation/parallelScavenge/psPermGen.hpp	2010-11-16 18:12:37.000000000 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2001, 2005, 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 +22,11 @@
  *
  */
 
+#ifndef SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PSPERMGEN_HPP
+#define SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PSPERMGEN_HPP
+
+#include "gc_implementation/parallelScavenge/psOldGen.hpp"
+
 class AdaptivePaddedAverage;
 
 class PSPermGen : public PSOldGen {
@@ -51,3 +56,5 @@
 
   virtual const char* name() const { return "PSPermGen"; }
 };
+
+#endif // SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PSPERMGEN_HPP