diff -r c17c526d36ef -r 6e2f8a9544f0 hotspot/src/share/vm/gc_implementation/g1/g1CollectedHeap.hpp
--- a/hotspot/src/share/vm/gc_implementation/g1/g1CollectedHeap.hpp	Thu Dec 03 15:01:57 2009 -0800
+++ b/hotspot/src/share/vm/gc_implementation/g1/g1CollectedHeap.hpp	Fri Dec 04 07:44:35 2009 -0500
@@ -692,7 +692,7 @@
 
   // Reserved (g1 only; super method includes perm), capacity and the used
   // portion in bytes.
-  size_t g1_reserved_obj_bytes() { return _g1_reserved.byte_size(); }
+  size_t g1_reserved_obj_bytes() const { return _g1_reserved.byte_size(); }
   virtual size_t capacity() const;
   virtual size_t used() const;
   // This should be called when we're not holding the heap lock. The