--- old/src/share/vm/gc_implementation/parallelScavenge/vmPSOperations.hpp	2010-11-16 18:12:52.000000000 +0100
+++ new/src/share/vm/gc_implementation/parallelScavenge/vmPSOperations.hpp	2010-11-16 18:12:52.000000000 +0100
@@ -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 +22,13 @@
  *
  */
 
+#ifndef SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_VMPSOPERATIONS_HPP
+#define SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_VMPSOPERATIONS_HPP
+
+#include "gc_implementation/parallelScavenge/parallelScavengeHeap.hpp"
+#include "gc_implementation/shared/vmGCOperations.hpp"
+#include "gc_interface/gcCause.hpp"
+
 class VM_ParallelGCFailedAllocation: public VM_GC_Operation {
  private:
   size_t    _size;
@@ -63,3 +70,5 @@
   virtual VMOp_Type type() const { return VMOp_ParallelGCSystemGC; }
   virtual void doit();
 };
+
+#endif // SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_VMPSOPERATIONS_HPP