--- old/src/share/vm/gc_implementation/g1/heapRegion.hpp	2014-02-25 12:53:04.388998868 +0100
+++ new/src/share/vm/gc_implementation/g1/heapRegion.hpp	2014-02-25 12:53:04.300998869 +0100
@@ -596,7 +596,7 @@
   void save_marks();
 
   // Reset HR stuff to default values.
-  void hr_clear(bool par, bool clear_space);
+  void hr_clear(bool par, bool clear_space, bool locked = false);
   void par_clear();
 
   // Get the start of the unmarked area in this region.