--- old/src/share/vm/gc_implementation/g1/vm_operations_g1.hpp	2010-11-16 18:11:50.000000000 +0100
+++ new/src/share/vm/gc_implementation/g1/vm_operations_g1.hpp	2010-11-16 18:11:49.000000000 +0100
@@ -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 +22,11 @@
  *
  */
 
+#ifndef SHARE_VM_GC_IMPLEMENTATION_G1_VM_OPERATIONS_G1_HPP
+#define SHARE_VM_GC_IMPLEMENTATION_G1_VM_OPERATIONS_G1_HPP
+
+#include "gc_implementation/shared/vmGCOperations.hpp"
+
 // VM_operations for the G1 collector.
 // VM_GC_Operation:
 //   - VM_CGC_Operation
@@ -114,3 +119,5 @@
     return "concurrent gc";
   }
 };
+
+#endif // SHARE_VM_GC_IMPLEMENTATION_G1_VM_OPERATIONS_G1_HPP