Re: [POLL] SLAB : Are the 32 and 192 bytes caches really usefull onx86_64 machines ?

From: Pekka J Enberg
Date: Mon Jan 02 2006 - 16:32:14 EST


On Mon, 2 Jan 2006, Andi Kleen wrote:
> I wasn't proposing fully dynamic slabs, just a better default set
> of slabs based on real measurements instead of handwaving (like
> the power of two slabs seemed to have been generated). With separate
> sets for 32bit and 64bit.
>
> Also the goal wouldn't be better performance, but just less waste of memory.
>
> I suspect such a move could save much more memory on small systems
> than any of these "make fundamental debugging tools a CONFIG" patches ever.

I misunderstood what you were proposing. Sorry. It makes sense to measure
it.

Pekka
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