*** old/src/share/vm/memory/barrierSet.hpp	Tue Mar 27 21:04:01 2012
--- new/src/share/vm/memory/barrierSet.hpp	Tue Mar 27 21:04:01 2012

*** 179,186 ****
--- 179,188 ----
  
    // If the barrier set imposes any alignment restrictions on boundaries
    // within the heap, this function tells whether they are met.
    virtual bool is_aligned(HeapWord* addr) = 0;
  
+   // Print a description of the memory for the barrier set
+   virtual void print_on(outputStream* st) const = 0;
  };
  
  #endif // SHARE_VM_MEMORY_BARRIERSET_HPP