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src/hotspot/share/gc/g1/g1BarrierSet.hpp

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@@ -23,10 +23,11 @@
   */
  
  #ifndef SHARE_GC_G1_G1BARRIERSET_HPP
  #define SHARE_GC_G1_G1BARRIERSET_HPP
  
+ #include "gc/g1/g1HeapRegion.hpp"
  #include "gc/g1/g1SATBMarkQueueSet.hpp"
  #include "gc/shared/bufferNode.hpp"
  #include "gc/shared/cardTable.hpp"
  #include "gc/shared/cardTableBarrierSet.hpp"
  

@@ -119,10 +120,12 @@
      return g1_barrier_set()->_satb_mark_queue_set;
    }
  
    virtual void print_on(outputStream* st) const;
  
+   virtual uint grain_shift() { return G1HeapRegion::LogOfHRGrainBytes; }
+ 
    // Callbacks for runtime accesses.
    template <DecoratorSet decorators, typename BarrierSetT = G1BarrierSet>
    class AccessBarrier: public ModRefBarrierSet::AccessBarrier<decorators, BarrierSetT> {
      typedef ModRefBarrierSet::AccessBarrier<decorators, BarrierSetT> ModRef;
      typedef BarrierSet::AccessBarrier<decorators, BarrierSetT> Raw;
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