+=item $h->mkswap ($device);
+
+Create a swap partition on C<device>.
+
+=item $h->mkswap_L ($label, $device);
+
+Create a swap partition on C<device> with label C<label>.
+
+=item $h->mkswap_U ($uuid, $device);
+
+Create a swap partition on C<device> with UUID C<uuid>.
+