Re: [uml-devel] Re: SMP skas requirements

[Blaisorblade <bla...@ya...>]

On Wednesday 29 March 2006 22:38, Anthony Brock wrote:
> Quoting Jeff Dike <jd...@ad...>:
> > On Wed, Mar 29, 2006 at 12:40:00AM +0200, Blaisorblade wrote:
> >> Finally, I'd like to get devshm merged if there aren't problems with the
> >> code.

> > That one needs to check if /dev/shm is present, and fall back to /tmp
> > if not.

> Are you proposing that virtual servers automatically using /dev/shm if
> available and only falling back to the $TMP variable and /tmp directory
> if not? Or would this keep the use of $TMP if present and fall back to
> /dev/shm followed by /tmp?

By looking at:
http://user-mode-linux.sourceforge.net/work/current/2.6/2.6.16/patches/devshm

> I'm asking because I've optimized multiple host machines to offer a
> ramfs for virtual servers. This gives me locked memory (which still
> provides a significant performance improvement over time) for each
> instance. I would prefer to avoid using tmpfs if possible.

> Alternatively, some means for preventing the host from swapping out
> instances would be appreciated.
ramfs is the better way IMHO.
-- 
Inform me of my mistakes, so I can keep imitating Homer Simpson's "Doh!".
Paolo Giarrusso, aka Blaisorblade (Skype ID "PaoloGiarrusso", ICQ 215621894)
http://www.user-mode-linux.org/~blaisorblade

		
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