<varlistentry>
<term><option>host</option></term>
<listitem>
- <para>The hostname of the machine running
- <command>nbd-server</command>.</para>
+ <para>The hostname or IP address of the machine running
+ <command>nbd-server</command>. Since 2.9.15, the NBD
+ utilities support IPv6.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><option>-swap</option></term>
<listitem>
<para>Specifies that this NBD device will be used as
- swapspace. If you intend to do that, please use this
- option to prevent deadlocks. You'll need a special kernel
- patch, available at NBD's homepage:
- http://atrey.karlin.mff.cuni.cz/~pavel</para>
+ swapspace. This option attempts to prevent deadlocks by
+ performing mlockall() at an appropriate time. It does not
+ however guarantee that such deadlocks can be avoided.</para>
</listitem>
</varlistentry>
<varlistentry>