src/share/vm/gc/g1/g1CollectedHeap.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:

*** 34,43 ****
--- 34,44 ----
  #include "gc/g1/g1HRPrinter.hpp"
  #include "gc/g1/g1InCSetState.hpp"
  #include "gc/g1/g1MonitoringSupport.hpp"
  #include "gc/g1/g1EvacFailure.hpp"
  #include "gc/g1/g1EvacStats.hpp"
+ #include "gc/g1/g1HeapVerifier.hpp"
  #include "gc/g1/g1SATBCardTableModRefBS.hpp"
  #include "gc/g1/g1YCTypes.hpp"
  #include "gc/g1/hSpaceCounters.hpp"
  #include "gc/g1/heapRegionManager.hpp"
  #include "gc/g1/heapRegionSet.hpp"
*** 1163,1176 ****
  
    G1SATBCardTableLoggingModRefBS* g1_barrier_set() {
      return barrier_set_cast<G1SATBCardTableLoggingModRefBS>(barrier_set());
    }
  
-   // This resets the card table to all zeros.  It is used after
-   // a collection pause which used the card table to claim cards.
-   void cleanUpCardTable();
- 
    // Iteration functions.
  
    // Iterate over all objects, calling "cl.do_object" on each.
    virtual void object_iterate(ObjectClosure* cl);
  
--- 1164,1173 ----
*** 1392,1411 ****
  
    // Refinement
  
    ConcurrentG1Refine* concurrent_g1_refine() const { return _cg1r; }
  
-   // The dirty cards region list is used to record a subset of regions
-   // whose cards need clearing. The list if populated during the
-   // remembered set scanning and drained during the card table
-   // cleanup. Although the methods are reentrant, population/draining
-   // phases must not overlap. For synchronization purposes the last
-   // element on the list points to itself.
-   HeapRegion* _dirty_cards_region_list;
-   void push_dirty_cards_region(HeapRegion* hr);
-   HeapRegion* pop_dirty_cards_region();
- 
    // Optimized nmethod scanning support routines
  
    // Register the given nmethod with the G1 heap.
    virtual void register_nmethod(nmethod* nm);
  
--- 1389,1398 ----