--- a/hotspot/src/share/vm/memory/collectorPolicy.cpp	Mon May 02 07:08:53 2011 -0700
+++ b/hotspot/src/share/vm/memory/collectorPolicy.cpp	Fri Apr 29 09:11:03 2011 +0200
@@ -265,8 +265,6 @@
   MaxHeapSize = align_size_up(MaxHeapSize, max_alignment());
 
   always_do_update_barrier = UseConcMarkSweepGC;
-  BlockOffsetArrayUseUnallocatedBlock =
-      BlockOffsetArrayUseUnallocatedBlock || ParallelGCThreads > 0;
 
   // Check validity of heap flags
   assert(OldSize     % min_alignment() == 0, "old space alignment");