--- a/hotspot/src/share/vm/gc_implementation/g1/sparsePRT.hpp	Tue Nov 23 15:01:43 2010 -0500
+++ b/hotspot/src/share/vm/gc_implementation/g1/sparsePRT.hpp	Tue Nov 23 13:22:55 2010 -0800
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2001, 2009, 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 +22,16 @@
  *
  */
 
+#ifndef SHARE_VM_GC_IMPLEMENTATION_G1_SPARSEPRT_HPP
+#define SHARE_VM_GC_IMPLEMENTATION_G1_SPARSEPRT_HPP
+
+#include "gc_implementation/g1/g1CollectedHeap.inline.hpp"
+#include "gc_implementation/g1/heapRegion.hpp"
+#include "memory/allocation.hpp"
+#include "memory/cardTableModRefBS.hpp"
+#include "runtime/mutex.hpp"
+#include "utilities/globalDefinitions.hpp"
+
 // Sparse remembered set for a heap region (the "owning" region).  Maps
 // indices of other regions to short sequences of cards in the other region
 // that might contain pointers into the owner region.
@@ -289,3 +299,5 @@
     return RSHashTableIter::has_next(card_index);
   }
 };
+
+#endif // SHARE_VM_GC_IMPLEMENTATION_G1_SPARSEPRT_HPP