diff -r 6aa7255741f3 -r ed52bcc32739 src/share/vm/gc_implementation/g1/g1CollectedHeap.cpp
--- a/src/share/vm/gc_implementation/g1/g1CollectedHeap.cpp	Thu Dec 03 15:01:57 2009 -0800
+++ b/src/share/vm/gc_implementation/g1/g1CollectedHeap.cpp	Fri Dec 04 07:44:35 2009 -0500
@@ -2130,7 +2130,7 @@
 }
 
 size_t G1CollectedHeap::max_capacity() const {
-  return _g1_committed.byte_size();
+  return g1_reserved_obj_bytes();
 }
 
 jlong G1CollectedHeap::millis_since_last_gc() {