--- a/hotspot/src/share/vm/gc_implementation/parallelScavenge/psPromotionLAB.hpp	Mon Oct 03 19:04:14 2011 -0400
+++ b/hotspot/src/share/vm/gc_implementation/parallelScavenge/psPromotionLAB.hpp	Mon Sep 12 16:09:50 2011 +0200
@@ -73,7 +73,7 @@
 
   bool is_flushed()                  { return _state == flushed; }
 
-  bool unallocate_object(oop obj);
+  bool unallocate_object(HeapWord* obj, size_t obj_size);
 
   // Returns a subregion containing all objects in this space.
   MemRegion used_region()            { return MemRegion(bottom(), top()); }