47 #include "runtime/orderAccess.hpp"

    47 #include "runtime/orderAccess.hpp"

    48 #include "utilities/growableArray.hpp"

    48 #include "utilities/growableArray.hpp"

    49 

    49 

    50 int    HeapRegion::LogOfHRGrainBytes = 0;

    50 int    HeapRegion::LogOfHRGrainBytes = 0;

    51 int    HeapRegion::LogOfHRGrainWords = 0;

    51 int    HeapRegion::LogOfHRGrainWords = 0;

    52 size_t HeapRegion::GrainBytes        = 0;

    53 size_t HeapRegion::GrainBytes        = 0;

    53 size_t HeapRegion::GrainWords        = 0;

    54 size_t HeapRegion::GrainWords        = 0;

    54 size_t HeapRegion::CardsPerRegion    = 0;

    55 size_t HeapRegion::CardsPerRegion    = 0;

    55 

    56 

    56 size_t HeapRegion::max_region_size() {

    57 size_t HeapRegion::max_region_size() {

   102   GrainWords = GrainBytes >> LogHeapWordSize;

   103   GrainWords = GrainBytes >> LogHeapWordSize;

   103   guarantee((size_t) 1 << LogOfHRGrainWords == GrainWords, "sanity");

   104   guarantee((size_t) 1 << LogOfHRGrainWords == GrainWords, "sanity");

   104 

   105 

   105   guarantee(CardsPerRegion == 0, "we should only set it once");

   106   guarantee(CardsPerRegion == 0, "we should only set it once");

   106   CardsPerRegion = GrainBytes >> G1CardTable::card_shift;

   107   CardsPerRegion = GrainBytes >> G1CardTable::card_shift;

   107 

   110 

   108   if (G1HeapRegionSize != GrainBytes) {

   111   if (G1HeapRegionSize != GrainBytes) {

   109     FLAG_SET_ERGO(G1HeapRegionSize, GrainBytes);

   112     FLAG_SET_ERGO(G1HeapRegionSize, GrainBytes);

   110   }

   113   }

   111 }

   114 }