Re: [PATCH] mm: swap prefetch improvements

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On Tuesday 22 May 2007 20:57, Ingo Molnar wrote:
> * Con Kolivas <[email protected]> wrote:
> > On Tuesday 22 May 2007 20:46, Ingo Molnar wrote:
> > > It clearly should not consider 'itself' as IO activity. This
> > > suggests some bug in the 'detect activity' mechanism, agreed? I'm
> > > wondering whether you are seeing the same problem, or is all
> > > swap-prefetch IO on your system continuous until it's done [or some
> > > other IO comes inbetween]?
> >
> > When nothing else is happening anywhere on the system it reads in
> > bursts and goes to sleep during journal writeout.
>
> hm, what do you call 'journal writeout' here that would be happening on
> my system?

Not really sure what you have in terms of fs, but here even with nothing going 
on, ext3 writes to disk every 5 seconds with kjournald.

-- 
-ck
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