src/share/vm/gc_implementation/g1/concurrentMark.hpp

rev 7903 : imported patch skip_stale

*** 1,7 ****
  /*
!  * Copyright (c) 2001, 2013, 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, 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.
*** 1055,1064 ****
--- 1055,1065 ----
  
    int                         _local_pushes;
    int                         _local_pops;
    int                         _local_max_size;
    int                         _objs_scanned;
+   int                         _stale_humongous_queue_entries;
  
    int                         _global_pushes;
    int                         _global_pops;
    int                         _global_max_size;
  
*** 1151,1160 ****
--- 1152,1165 ----
    inline void deal_with_reference(oop obj);
  
    // It scans an object and visits its children.
    void scan_object(oop obj);
  
+   // Test whether the "object" obtained from a queue is really a stale
+   // reference to a reclaimed humongous object.
+   bool is_stale_humongous_queue_entry(oop obj) const;
+ 
    // It pushes an object on the local queue.
    inline void push(oop obj);
  
    // These two move entries to/from the global stack.
    void move_entries_to_global_stack();