src/share/vm/gc/parallel/mutableSpace.hpp

rev 11970 : imported patch base_volatiles

*** 1,7 ****
  /*
!  * Copyright (c) 2001, 2015, 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.
--- 1,7 ----
  /*
!  * Copyright (c) 2001, 2016, 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.
*** 49,59 ****
    MutableSpaceMangler* _mangler;
    // The last region which page had been setup to be interleaved.
    MemRegion _last_setup_region;
    size_t _alignment;
   protected:
!   HeapWord* _top;
  
    MutableSpaceMangler* mangler() { return _mangler; }
  
    void numa_setup_pages(MemRegion mr, bool clear_space);
    void pretouch_pages(MemRegion mr);
--- 49,59 ----
    MutableSpaceMangler* _mangler;
    // The last region which page had been setup to be interleaved.
    MemRegion _last_setup_region;
    size_t _alignment;
   protected:
!   HeapWord* volatile _top;
  
    MutableSpaceMangler* mangler() { return _mangler; }
  
    void numa_setup_pages(MemRegion mr, bool clear_space);
    void pretouch_pages(MemRegion mr);
*** 67,77 ****
  
    // Accessors
    HeapWord* top() const                    { return _top;    }
    virtual void set_top(HeapWord* value)    { _top = value;   }
  
!   HeapWord** top_addr()                    { return &_top; }
    HeapWord** end_addr()                    { return &_end; }
  
    virtual void set_bottom(HeapWord* value) { _bottom = value; }
    virtual void set_end(HeapWord* value)    { _end = value; }
  
--- 67,77 ----
  
    // Accessors
    HeapWord* top() const                    { return _top;    }
    virtual void set_top(HeapWord* value)    { _top = value;   }
  
!   HeapWord* volatile* top_addr()           { return &_top; }
    HeapWord** end_addr()                    { return &_end; }
  
    virtual void set_bottom(HeapWord* value) { _bottom = value; }
    virtual void set_end(HeapWord* value)    { _end = value; }