diff -r e1034e5d33eb -r b8a3901ac5b3 hotspot/src/share/vm/gc/g1/g1CollectedHeap.hpp
--- a/hotspot/src/share/vm/gc/g1/g1CollectedHeap.hpp	Tue Oct 13 08:37:44 2015 +0200
+++ b/hotspot/src/share/vm/gc/g1/g1CollectedHeap.hpp	Tue Oct 13 14:49:13 2015 +0200
@@ -1011,9 +1011,11 @@
   // continues humongous regions too.
   void reset_gc_time_stamps(HeapRegion* hr);
 
-  void iterate_dirty_card_closure(CardTableEntryClosure* cl,
-                                  DirtyCardQueue* into_cset_dcq,
-                                  bool concurrent, uint worker_i);
+  // Apply the given closure on all cards in the Hot Card Cache, emptying it.
+  void iterate_hcc_closure(CardTableEntryClosure* cl, uint worker_i);
+
+  // Apply the given closure on all cards in the Dirty Card Queue Set, emptying it.
+  void iterate_dirty_card_closure(CardTableEntryClosure* cl, uint worker_i);
 
   // The shared block offset table array.
   G1BlockOffsetSharedArray* bot_shared() const { return _bot_shared; }