77   G1CollectedHeap* _g1h;

    77   G1CollectedHeap* _g1h;

    78   Mutex*           _m;

    78   Mutex*           _m;

    79   HeapRegion*      _hr;

    79   HeapRegion*      _hr;

    80 

    80 

    81   // These are protected by "_m".

    81   // These are protected by "_m".

    83   size_t      _n_coarse_entries;

    83   size_t      _n_coarse_entries;

    84   static jint _n_coarsenings;

    84   static jint _n_coarsenings;

    85 

    85 

    86   PerRegionTable** _fine_grain_regions;

    86   PerRegionTable** _fine_grain_regions;

    87   size_t           _n_fine_entries;

    87   size_t           _n_fine_entries;