--- a/hotspot/src/share/vm/gc_implementation/concurrentMarkSweep/binaryTreeDictionary.hpp	Wed Dec 16 15:12:51 2009 -0800
+++ b/hotspot/src/share/vm/gc_implementation/concurrentMarkSweep/binaryTreeDictionary.hpp	Wed Dec 23 09:23:54 2009 -0800
@@ -42,9 +42,6 @@
   friend class AscendTreeCensusClosure;
   friend class DescendTreeCensusClosure;
   friend class DescendTreeSearchClosure;
-  TreeList* _parent;
-  TreeList* _left;
-  TreeList* _right;
 
  protected:
   TreeList* parent() const { return _parent; }
@@ -82,6 +79,11 @@
   // to a TreeChunk.
   TreeChunk* first_available();
 
+  // Returns the block with the largest heap address amongst
+  // those in the list for this size; potentially slow and expensive,
+  // use with caution!
+  TreeChunk* largest_address();
+
   // removeChunkReplaceIfNeeded() removes the given "tc" from the TreeList.
   // If "tc" is the first chunk in the list, it is also the
   // TreeList that is the node in the tree.  removeChunkReplaceIfNeeded()
@@ -254,8 +256,9 @@
   // Methods called at the beginning of a sweep to prepare the
   // statistics for the sweep.
   void       beginSweepDictCensus(double coalSurplusPercent,
-                                  float sweep_current,
-                                  float sweep_estimate);
+                                  float inter_sweep_current,
+                                  float inter_sweep_estimate,
+                                  float intra_sweep_estimate);
   // Methods called after the end of a sweep to modify the
   // statistics for the sweep.
   void       endSweepDictCensus(double splitSurplusPercent);
@@ -269,6 +272,7 @@
   // Print the statistcis for all the lists in the tree.  Also may
   // print out summaries.
   void       printDictCensus(void) const;
+  void       print_free_lists(outputStream* st) const;
 
   // For debugging.  Returns the sum of the _returnedBytes for
   // all lists in the tree.