 are read-only as far as
        <TT
CLASS="COMMAND"
>sysctl</TT
> is concerned, but can be set in
        <TT
CLASS="FILENAME"
>/boot/loader.conf</TT
>:
</P><PRE
CLASS="PROGRAMLISTING"
>kern.ipc.semmni=256
kern.ipc.semmns=512
kern.ipc.semmnu=256</PRE
><P>
        After modifying these values a reboot is required for the new
        settings to take affect.
       </P
><P
>        You might also want to configure your kernel to lock shared
        memory into RAM and prevent it from being paged out to swap.