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SubjectRe: More on 2.2.18pre2aa2
On Tue, 12 Sep 2000, Matthew Hawkins wrote:

> Very stable so far, and having Andrea's VM patches in (I usually
> didn't put them in) has made a noticeable difference - xmms has
> rarely skipped and things start faster and run smoother.
> Hopefully I'll see the same (or better) results from Rik's new
> VM in 2.4 when that's released.

I'm working on it. ;)

I've just uploaded a new snapshot of my new VM for
2.4 to my home page, this version contains a
wakeup_kswapd() function (copied from wakeup_bdflush)
and should balance memory a bit better.

Also, streaming IO seems to be almost back on track.

The large IO delays I'm seeing in certain tests have
been traced back to the /elevator/ code. I think I'll
be playing with the "close the door on timeout" idea
Jeff Merkey proposed some time ago...

(I talked about this with Jens Axboe on irc ... a patch
to solve the elevator problems and maybe make a self-tuning
elevator (with maximum latency specified in /proc?) should
be ready later today)


"What you're running that piece of shit Gnome?!?!"
-- Miguel de Icaza, UKUUG 2000

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