--- a/hotspot/src/share/vm/memory/genRemSet.hpp	Wed Jun 27 15:23:36 2012 +0200
+++ b/hotspot/src/share/vm/memory/genRemSet.hpp	Thu Jun 28 17:03:16 2012 -0400
@@ -35,7 +35,7 @@
 class OopsInGenClosure;
 class CardTableRS;
 
-class GenRemSet: public CHeapObj {
+class GenRemSet: public CHeapObj<mtGC> {
   friend class Generation;
 
   BarrierSet* _bs;