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

rev 8816 : imported patch 8073013-add-detailed-information-about-plab-memory-usage
rev 8817 : imported patch jon-review-statistics
rev 8818 : imported patch dlindholm-changes
rev 8819 : imported patch 8040162-avoid-reallocating-plab-allocators
rev 8820 : imported patch parallel-ref-proc-fixes

*** 5484,5494 ****
    } else {
      // Parallel reference processing
      assert(rp->num_q() == no_of_gc_workers, "sanity");
      assert(no_of_gc_workers <= rp->max_num_q(), "sanity");
  
!     G1STWRefProcTaskExecutor par_task_executor(this, NULL, workers(), _task_queues, no_of_gc_workers);
      stats = rp->process_discovered_references(&is_alive,
                                                &keep_alive,
                                                &drain_queue,
                                                &par_task_executor,
                                                _gc_timer_stw,
--- 5484,5494 ----
    } else {
      // Parallel reference processing
      assert(rp->num_q() == no_of_gc_workers, "sanity");
      assert(no_of_gc_workers <= rp->max_num_q(), "sanity");
  
!     G1STWRefProcTaskExecutor par_task_executor(this, pss_, workers(), _task_queues, no_of_gc_workers);
      stats = rp->process_discovered_references(&is_alive,
                                                &keep_alive,
                                                &drain_queue,
                                                &par_task_executor,
                                                _gc_timer_stw,