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

[Andrew Morton]

Roman Zippel wrote:
> 
> Andrew's patch requires constant audition and Andrew can't audit all
> drivers for possible problems. That doesn't mean Andrew's work is
> wasted, since it identifies problems, which preempting can't solve, but
> it will always be a hunt for the worst cases, where preempting goes for
> the general case.

Guys,

I've heard this so many times, and it just ain't so.   The overwhelming
majority of problem areas are inside locks.  All the complexity and 
maintainability difficulties to which you refer exist in the preempt
patch as well.    There just is no difference.

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