return resourceTable[addr.toInt() >>> LOG_BYTES_IN_PAGE];
return resourceTable[Conversions.addressToPagesDown(addr)];
  public static VMResource resourceForPage(VM_Address addr) {    if (resourceTable == null)      VM_Interface.sysFail("resourceForBlock called when resourceTable is null");    return resourceTable[addr.toInt() >>> LOG_BYTES_IN_PAGE];  }