Alloc: Use posix_memalign() instead of aligned_alloc()

  {

    void *ret = mmap(NULL, get_page_size(), PROT_WRITE | PROT_READ, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);

    if (ret == MAP_FAILED)

      bug("mmap(%lu) failed: %m", page_size);

      bug("mmap(%lu) failed: %m", (long unsigned int) page_size);

    return ret;

  }

  else

#endif

  {

    void *ret = aligned_alloc(page_size, page_size);

    if (!ret)

      bug("aligned_alloc(%lu) failed", page_size);

    return ret;

    void *ptr = NULL;

    int err = posix_memalign(&ptr, page_size, page_size);

    if (err || !ptr)

      bug("posix_memalign(%lu) failed", (long unsigned int) page_size);

    return ptr;

  }

}