--- old/src/share/vm/memory/allocation.inline.hpp	2013-04-25 13:37:25.190693000 -0400
+++ new/src/share/vm/memory/allocation.inline.hpp	2013-04-25 13:37:24.171241000 -0400
@@ -128,7 +128,7 @@
   int alignment = os::vm_allocation_granularity();
   _size = align_size_up(_size, alignment);
 
-  _addr = os::reserve_memory(_size, NULL, alignment);
+  _addr = os::reserve_memory(_size, NULL, alignment, F);
   if (_addr == NULL) {
     vm_exit_out_of_memory(_size, "Allocator (reserve)");
   }