src/share/vm/gc/g1/heapRegion.hpp

rev 11044 : 8153507: Improve Card Table Clear Task
Summary: Move card table clear code into remembered set related files. Improve work distribution of this task, and tune thread usage.
Reviewed-by:

*** 268,280 ****
    HeapRegion* _next_in_special_set;
  
    // next region in the young "generation" region set
    HeapRegion* _next_young_region;
  
-   // Next region whose cards need cleaning
-   HeapRegion* _next_dirty_cards_region;
- 
    // Fields used by the HeapRegionSetBase class and subclasses.
    HeapRegion* _next;
    HeapRegion* _prev;
  #ifdef ASSERT
    HeapRegionSetBase* _containing_set;
--- 268,277 ----
*** 529,543 ****
    HeapRegion* get_next_young_region() { return _next_young_region; }
    void set_next_young_region(HeapRegion* hr) {
      _next_young_region = hr;
    }
  
-   HeapRegion* get_next_dirty_cards_region() const { return _next_dirty_cards_region; }
-   HeapRegion** next_dirty_cards_region_addr() { return &_next_dirty_cards_region; }
-   void set_next_dirty_cards_region(HeapRegion* hr) { _next_dirty_cards_region = hr; }
-   bool is_on_dirty_cards_region_list() const { return get_next_dirty_cards_region() != NULL; }
- 
    // Reset HR stuff to default values.
    void hr_clear(bool par, bool clear_space, bool locked = false);
    void par_clear();
  
    // Get the start of the unmarked area in this region.
--- 526,535 ----