[linux-audio-user] Re: Current merrits of tmpfs with Jack

[Jesse Chappell]

On 1/7/06, Russell Hanaghan <hanaghan at starband.net> wrote:

>       Prerequisites
>
>     * 2.4, 2.5 or 2.6 series kernel with tmpfs turned on (CONFIG_TMPFS)
>     * Shared memory file system mounted on /dev/shm. add the following
>       to /etc/fstab to get it mounted at boot:
>
>         shmfs       /dev/shm     shm    defaults        0       0
>
>
>       (Note: you may have to make the /dev/shm directory)
>
> <unsnip>
>
> Is this the actual use of /dev/shm or can it serve dual purpose and be
> also set up as tmpfs for fifo's?

Yes this is the actual use of /dev/shm.  In many distros you will find
such a line already in the /etc/fstab.  And yes, it can serve dual
purpose.

> Or...
>
> |# mkdir /mnt/ramfs|
>
> [edit /etc/fstab and add the following line]
>
> |none /mnt/ramfs tmpfs defaults 0 0|
>
> Then use --with-default-tmpdir=/mnt/ramfs to the JACK configure line
> when you build it. No clients need to be recompiled.

This is just an older alternative, not better.

jlc