src/share/vm/gc_implementation/parallelScavenge/parMarkBitMap.hpp

*** 129,138 ****
--- 129,140 ----
    inline HeapWord* region_start() const;
    inline HeapWord* region_end() const;
    inline size_t    region_size() const;
    inline size_t    size() const;
  
+   size_t reserved_byte_size() const { return _reserved_byte_size; }
+ 
    // Convert a heap address to/from a bit index.
    inline idx_t     addr_to_bit(HeapWord* addr) const;
    inline HeapWord* bit_to_addr(idx_t bit) const;
  
    // Return the bit index of the first marked object that begins (or ends,
*** 174,187 ****
    HeapWord*       _region_start;
    size_t          _region_size;
    BitMap          _beg_bits;
    BitMap          _end_bits;
    PSVirtualSpace* _virtual_space;
  };
  
  inline ParMarkBitMap::ParMarkBitMap():
!   _beg_bits(), _end_bits(), _region_start(NULL), _region_size(0), _virtual_space(NULL)
  { }
  
  inline void ParMarkBitMap::clear_range(idx_t beg, idx_t end)
  {
    _beg_bits.clear_range(beg, end);
--- 176,190 ----
    HeapWord*       _region_start;
    size_t          _region_size;
    BitMap          _beg_bits;
    BitMap          _end_bits;
    PSVirtualSpace* _virtual_space;
+   size_t          _reserved_byte_size;
  };
  
  inline ParMarkBitMap::ParMarkBitMap():
!   _beg_bits(), _end_bits(), _region_start(NULL), _region_size(0), _virtual_space(NULL), _reserved_byte_size(0)
  { }
  
  inline void ParMarkBitMap::clear_range(idx_t beg, idx_t end)
  {
    _beg_bits.clear_range(beg, end);