Re: [2.4.17/18pre] VM and swap - it's really unusable

[Alan Cox <alan _at_ lxorguk.ukuu.org.uk>]

> hardware to hardware could have a higher priority than normal programs being
> run.   That way they're not preempted by simple programs, it would have to
> be purposely preempted by the user.

How do you know they are there. How do you detect the situation, or do you
plan to audit every driver ?

> Lowering the latency, sure the low latency code probably does nearly as well
> as the preempt patch.  that's fine.  Shortening the time locks are held by

Not nearly as well. The tests I've seen it runs _better_ than just pre-empt
and pre-empt + low latency is the same as pure low latency - 1mS

Alan
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