--- a/hotspot/src/share/vm/gc_implementation/parNew/parNewGeneration.hpp	Tue Nov 23 15:01:43 2010 -0500
+++ b/hotspot/src/share/vm/gc_implementation/parNew/parNewGeneration.hpp	Tue Nov 23 13:22:55 2010 -0800
@@ -22,6 +22,13 @@
  *
  */
 
+#ifndef SHARE_VM_GC_IMPLEMENTATION_PARNEW_PARNEWGENERATION_HPP
+#define SHARE_VM_GC_IMPLEMENTATION_PARNEW_PARNEWGENERATION_HPP
+
+#include "gc_implementation/parNew/parGCAllocBuffer.hpp"
+#include "memory/defNewGeneration.hpp"
+#include "utilities/taskqueue.hpp"
+
 class ChunkArray;
 class ParScanWithoutBarrierClosure;
 class ParScanWithBarrierClosure;
@@ -422,3 +429,5 @@
 
   DEBUG_ONLY(static bool is_legal_forward_ptr(oop p);)
 };
+
+#endif // SHARE_VM_GC_IMPLEMENTATION_PARNEW_PARNEWGENERATION_HPP