--- old/src/share/vm/services/psMemoryPool.hpp	2010-10-28 14:02:58.000000000 +0200
+++ new/src/share/vm/services/psMemoryPool.hpp	2010-10-28 14:02:57.000000000 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2007, 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 +22,20 @@
  *
  */
 
+#ifndef SHARE_VM_SERVICES_PSMEMORYPOOL_HPP
+#define SHARE_VM_SERVICES_PSMEMORYPOOL_HPP
+
+#ifndef SERIALGC
+#include "gc_implementation/parallelScavenge/psOldGen.hpp"
+#include "gc_implementation/parallelScavenge/psYoungGen.hpp"
+#include "gc_implementation/shared/mutableSpace.hpp"
+#include "memory/defNewGeneration.hpp"
+#include "memory/heap.hpp"
+#include "memory/space.hpp"
+#include "services/memoryPool.hpp"
+#include "services/memoryUsage.hpp"
+#endif
+
 class PSGenerationPool : public CollectedMemoryPool {
 private:
   PSOldGen* _gen;
@@ -79,3 +93,5 @@
     return _gen->from_space()->capacity_in_bytes();
   }
 };
+
+#endif // SHARE_VM_SERVICES_PSMEMORYPOOL_HPP