--- old/src/share/vm/runtime/arguments.cpp	2011-08-23 12:19:18.880973000 -0500
+++ new/src/share/vm/runtime/arguments.cpp	2011-08-23 12:19:18.491966000 -0500
@@ -1424,6 +1424,13 @@
       FLAG_SET_DEFAULT(MinHeapDeltaBytes, 64*M);
     }
   }
+  if (UseNUMA) {
+    // For those collectors or operating systems (eg, Windows) that do
+    // not support full UseNUMA, we will map to UseNUMAInterleaving
+    UseNUMAInterleaving = true;  
+  }
+
+
 }
 
 void Arguments::set_g1_gc_flags() {