size_t          round_pagesize(size_t size)
{
  size_t        pagesize;
  size_t        tot;

  pagesize = getpagesize();
  if (size <= pagesize)
    return (pagesize);
  tot = (size + (pagesize - (size % pagesize)));
  printf("%u - %u - %u", (uint) size, (uint) tot, (uint) pagesize);
  return (tot);
}