public int getAllocator(TypeID type, Extent bytes, CallSite callsite, AllocAdvice hint) { return IMMORTAL_ALLOCATOR;
public final int getAllocator(Type type, EXTENT bytes, CallSite callsite, AllocAdvice hint) { return DEFAULT_ALLOCATOR;
  public int getAllocator(TypeID type, Extent bytes, CallSite callsite, 			  AllocAdvice hint) {    return IMMORTAL_ALLOCATOR;  }