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SubjectRe: Large slab cache in 2.6.1
Date
On February 21, 2004 10:28 pm, Linus Torvalds wrote:
> On Sat, 21 Feb 2004, Chris Wedgwood wrote:
>
> >
> > Maybe gradual page-cache pressure could shirnk the slab?
>
>
> What happened to the experiment of having slab pages on the (in)active
> lists and letting them be free'd that way? Didn't somebody already do
> that? Ed Tomlinson and Craig Kulesa?

You have a good memory.

We dropped this experiment since there was a lot of latency between the time a
slab page became freeable and when it was actually freed. The current
call back scheme was designed to balance slab preasure and vmscaning.

Ed Tomlinson

> That's still something I'd like to try, although that's obviously 2.7.x
> material, so not useful for rigth now.
>
> Or did the experiment just never work out well?
>
> Linus
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