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SubjectRe: page_launder() on 2.4.9/10 issue
On September 6, 2001 01:52 pm, Rik van Riel wrote:
> On Tue, 4 Sep 2001, Jan Harkes wrote:
> > To get back on the thread I jumped into, I totally agree with Linus
> > that writeout should be as soon as possible.
> Nice way to destroy read performance.

Blindly delaying all the writes in the name of better read performance isn't
the right idea either. Perhaps we should have a good think about some
sensible mechanism for balancing reads against writes.

> As DaveM noted so
> nicely in his reverse mapping patch (at the end of the
> 2.3 series), dirty pages get moved to the laundry list
> and the washing machine will deal with them when we have
> a full load.
> Lets face it, spinning the washing machine is expensive
> and running less than a full load makes things inefficient ;)

That makes a good sound bite but doesn't stand up to scrutiny.

It's not a washing machine ;-)

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