*** old/src/share/vm/runtime/mutexLocker.hpp	Fri Jan 28 11:13:01 2011
--- new/src/share/vm/runtime/mutexLocker.hpp	Fri Jan 28 11:13:00 2011

*** 1,7 ****
--- 1,7 ----
  /*
!  * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
!  * Copyright (c) 1997, 2011, 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
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.

*** 128,138 ****
--- 128,138 ----
  extern Mutex*   MMUTracker_lock;                 // protects the MMU
                                                   // tracker data structures
  extern Mutex*   HotCardCache_lock;               // protects the hot card cache
  
  extern Mutex*   Management_lock;                 // a lock used to serialize JVM management
! extern Monitor* LowMemory_lock;                  // a lock used for low memory detection
! extern Monitor* Service_lock;                    // a lock used for service thread operation
  
  // A MutexLocker provides mutual exclusion with respect to a given mutex
  // for the scope which contains the locker.  The lock is an OS lock, not
  // an object lock, and the two do not interoperate.  Do not use Mutex-based
  // locks to lock on Java objects, because they will not be respected if a