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SubjectRe: 2.6.24-rc2: Network commit causes SLUB performance regression with tbench
On Tuesday 13 November 2007 06:44, Christoph Lameter wrote:
> On Sat, 10 Nov 2007, Nick Piggin wrote:
> > BTW. your size-2048 kmalloc cache is order-1 in the default setup,
> > wheras kmalloc(1024) or kmalloc(4096) will be order-0 allocations. And
> > SLAB also uses order-0 for size-2048. It would be nice if SLUB did the
> > same...
> You can try to see the effect that order 0 would have by booting with
> slub_max_order=0

Yeah, that didn't help much, but in general I think it would give
more consistent and reliable behaviour from slub.
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