--- old/src/share/vm/gc_implementation/g1/concurrentG1Refine.hpp	2013-09-06 14:11:05.056365697 +0200
+++ new/src/share/vm/gc_implementation/g1/concurrentG1Refine.hpp	2013-09-06 14:11:04.960363958 +0200
@@ -66,6 +66,8 @@
 
   // We delay the refinement of 'hot' cards using the hot card cache.
   G1HotCardCache _hot_card_cache;
+  DirtyCardQueueSet _safe_cards_for_refine;
+  VoidClosure* _flush_transfer_closure;
 
   // Reset the threshold step value based of the current zone boundaries.
   void reset_threshold_step();
@@ -106,6 +108,11 @@
   int thread_threshold_step() const { return _thread_threshold_step; }
 
   G1HotCardCache* hot_card_cache() { return &_hot_card_cache; }
+
+  void set_card_refinement_closure(CardTableEntryClosure* cl);
+  void set_flush_transfer_closure(VoidClosure* cl) { _flush_transfer_closure = cl; }
+  void flush_cards_in_buffers();
+  DirtyCardQueueSet& cards_ready_for_refinement() { return _safe_cards_for_refine; }
 };
 
 #endif // SHARE_VM_GC_IMPLEMENTATION_G1_CONCURRENTG1REFINE_HPP