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

rev 7318 : 8064721: The card tables only ever need two covering regions

*** 1886,1896 ****
                                                   heap_alignment);
  
    initialize_reserved_region((HeapWord*)heap_rs.base(), (HeapWord*)(heap_rs.base() + heap_rs.size()));
  
    // Create the gen rem set (and barrier set) for the entire reserved region.
!   _rem_set = collector_policy()->create_rem_set(reserved_region(), 2);
    set_barrier_set(rem_set()->bs());
    if (!barrier_set()->is_a(BarrierSet::G1SATBCTLogging)) {
      vm_exit_during_initialization("G1 requires a G1SATBLoggingCardTableModRefBS");
      return JNI_ENOMEM;
    }
--- 1886,1896 ----
                                                   heap_alignment);
  
    initialize_reserved_region((HeapWord*)heap_rs.base(), (HeapWord*)(heap_rs.base() + heap_rs.size()));
  
    // Create the gen rem set (and barrier set) for the entire reserved region.
!   _rem_set = collector_policy()->create_rem_set(reserved_region());
    set_barrier_set(rem_set()->bs());
    if (!barrier_set()->is_a(BarrierSet::G1SATBCTLogging)) {
      vm_exit_during_initialization("G1 requires a G1SATBLoggingCardTableModRefBS");
      return JNI_ENOMEM;
    }