src/share/vm/memory/genCollectedHeap.cpp

*** 698,708 ****
    }
    // When collection is parallel, all threads get to cooperate to do
    // older-gen scanning.
    if (level == 0) {
      older_gens->set_generation(_old_gen);
!     rem_set()->younger_refs_iterate(_old_gen, older_gens);
      older_gens->reset_generation();
    }
  
    _process_strong_tasks->all_tasks_completed(scope->n_threads());
  }
--- 698,708 ----
    }
    // When collection is parallel, all threads get to cooperate to do
    // older-gen scanning.
    if (level == 0) {
      older_gens->set_generation(_old_gen);
!     rem_set()->younger_refs_iterate(_old_gen, older_gens, scope->n_threads());
      older_gens->reset_generation();
    }
  
    _process_strong_tasks->all_tasks_completed(scope->n_threads());
  }