--- old/src/share/vm/gc_implementation/parallelScavenge/psAdaptiveSizePolicy.hpp	2014-02-03 22:36:55.000000000 +0100
+++ new/src/share/vm/gc_implementation/parallelScavenge/psAdaptiveSizePolicy.hpp	2014-02-03 22:36:55.000000000 +0100
@@ -238,7 +238,6 @@
   void major_collection_begin();
   void major_collection_end(size_t amount_live, GCCause::Cause gc_cause);
 
-  //
   void tenured_allocation(size_t size) {
     _avg_pretenured->sample(size);
   }
@@ -246,9 +245,9 @@
   // Accessors
   // NEEDS_CLEANUP   should use sizes.hpp
 
-  size_t calculated_old_free_size_in_bytes() const {
-    return (size_t)(_promo_size + avg_promoted()->padded_average());
-  }
+  static size_t calculate_free_based_on_live(size_t live, uintx ratio_as_percentage);
+
+  size_t calculated_old_free_size_in_bytes() const;
 
   size_t average_old_live_in_bytes() const {
     return (size_t) avg_old_live()->average();