43   // not been set up at this point since they should be aligned with
  44   // the region size. So, there is a circular dependency here. We base
  45   // the region size on the heap size, but the heap size should be
  46   // aligned with the region size. To get around this we use the
  47   // unaligned values for the heap.
  48   HeapRegion::setup_heap_region_size(InitialHeapSize, MaxHeapSize);
  49   HeapRegionRemSet::setup_remset_size();
  50 }
  51 
  52 void G1CollectorPolicy::initialize_alignments() {
  53   _space_alignment = HeapRegion::GrainBytes;
  54   size_t card_table_alignment = CardTableRS::ct_max_alignment_constraint();
  55   size_t page_size = UseLargePages ? os::large_page_size() : os::vm_page_size();
  56   _heap_alignment = MAX3(card_table_alignment, _space_alignment, page_size);
  57 }
  58 
  59 size_t G1CollectorPolicy::heap_reserved_size_bytes() const {
  60   return _max_heap_byte_size;
  61 }
  62 
  63 bool G1CollectorPolicy::is_hetero_heap() const {
  64   return false;
  65 }

  43   // not been set up at this point since they should be aligned with
  44   // the region size. So, there is a circular dependency here. We base
  45   // the region size on the heap size, but the heap size should be
  46   // aligned with the region size. To get around this we use the
  47   // unaligned values for the heap.
  48   HeapRegion::setup_heap_region_size(InitialHeapSize, MaxHeapSize);
  49   HeapRegionRemSet::setup_remset_size();
  50 }
  51 
  52 void G1CollectorPolicy::initialize_alignments() {
  53   _space_alignment = HeapRegion::GrainBytes;
  54   size_t card_table_alignment = CardTableRS::ct_max_alignment_constraint();
  55   size_t page_size = UseLargePages ? os::large_page_size() : os::vm_page_size();
  56   _heap_alignment = MAX3(card_table_alignment, _space_alignment, page_size);
  57 }
  58 
  59 size_t G1CollectorPolicy::heap_reserved_size_bytes() const {
  60   return _max_heap_byte_size;
  61 }
  62 
  63 bool G1CollectorPolicy::is_heterogeneous_heap() const {
  64   return false;
  65 }