--- old/src/share/vm/runtime/threadCritical.hpp	2010-11-16 18:20:41.000000000 +0100
+++ new/src/share/vm/runtime/threadCritical.hpp	2010-11-16 18:20:40.000000000 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2001, 2002, 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_RUNTIME_THREADCRITICAL_HPP
+#define SHARE_VM_RUNTIME_THREADCRITICAL_HPP
+
+#include "memory/allocation.hpp"
+
 // ThreadCritical is used to protect short non-blocking critical sections.
 // This class must use no vm facilities that require initialization.
 // It is used very early in the vm's initialization, in allocation
@@ -51,3 +56,5 @@
   ThreadCritical();
   ~ThreadCritical();
 };
+
+#endif // SHARE_VM_RUNTIME_THREADCRITICAL_HPP