src/share/vm/gc_implementation/parallelScavenge/psScavenge.cpp

*** 794,810 ****
           "old above young");
    _young_generation_boundary = young_gen->eden_space()->bottom();
  
    // Initialize ref handling object for scavenging.
    MemRegion mr = young_gen->reserved();
!   _ref_processor = ReferenceProcessor::create_ref_processor(
!     mr,                         // span
      true,                       // atomic_discovery
!     true,                       // mt_discovery
!     NULL,                       // is_alive_non_header
!     ParallelGCThreads,
!     ParallelRefProcEnabled);
  
    // Cache the cardtable
    BarrierSet* bs = Universe::heap()->barrier_set();
    assert(bs->kind() == BarrierSet::CardTableModRef, "Wrong barrier set kind");
    _card_table = (CardTableExtension*)bs;
--- 794,812 ----
           "old above young");
    _young_generation_boundary = young_gen->eden_space()->bottom();
  
    // Initialize ref handling object for scavenging.
    MemRegion mr = young_gen->reserved();
!   _ref_processor =
!     new ReferenceProcessor(mr,                         // span
!                            ParallelRefProcEnabled && (ParallelGCThreads > 1), // mt processing
!                            ParallelGCThreads,          // mt processing degree
!                            true,                       // mt discovery
!                            ParallelGCThreads,          // mt discovery degree
                             true,                       // atomic_discovery
!                            NULL,                       // header provides liveness info
!                            false);                     // next field updates do not need write barrier
  
    // Cache the cardtable
    BarrierSet* bs = Universe::heap()->barrier_set();
    assert(bs->kind() == BarrierSet::CardTableModRef, "Wrong barrier set kind");
    _card_table = (CardTableExtension*)bs;