--- a/hotspot/src/share/vm/gc_implementation/concurrentMarkSweep/freeChunk.hpp	Tue Nov 23 15:01:43 2010 -0500
+++ b/hotspot/src/share/vm/gc_implementation/concurrentMarkSweep/freeChunk.hpp	Tue Nov 23 13:22:55 2010 -0800
@@ -22,6 +22,17 @@
  *
  */
 
+#ifndef SHARE_VM_GC_IMPLEMENTATION_CONCURRENTMARKSWEEP_FREECHUNK_HPP
+#define SHARE_VM_GC_IMPLEMENTATION_CONCURRENTMARKSWEEP_FREECHUNK_HPP
+
+#include "memory/allocation.hpp"
+#include "memory/memRegion.hpp"
+#include "oops/markOop.hpp"
+#include "runtime/mutex.hpp"
+#include "utilities/debug.hpp"
+#include "utilities/globalDefinitions.hpp"
+#include "utilities/ostream.hpp"
+
 //
 // Free block maintenance for Concurrent Mark Sweep Generation
 //
@@ -141,3 +152,5 @@
 
 extern size_t MinChunkSize;
 
+
+#endif // SHARE_VM_GC_IMPLEMENTATION_CONCURRENTMARKSWEEP_FREECHUNK_HPP