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SubjectRe: Major regression on hackbench with SLUB (more numbers)
On 22 Dec 2007 16:52:56 -0600, Jason L Tibbitts III <tibbs@math.uh.edu> wrote:
> >>>>> "IM" == Ingo Molnar <mingo@elte.hu> writes:
>
> IM> Distros will likely pick SLUB if there's no performance worries
> IM> and if it's the default. Fedora rawhide already uses SLUB.
>
> Actually, it seems to me that not only does Fedora rawhide use SLUB,
> but Fedora 8 and 7 use it as well. They don't have /proc/slabinfo and
> they all seem to have CONFIG_SLUB=y:
>
> > grep -r CONFIG_SLUB=y kernel
> kernel/devel/config-generic:CONFIG_SLUB=y
> kernel/F-7/configs/config-generic:CONFIG_SLUB=y
> kernel/F-8/config-generic:CONFIG_SLUB=y

Also true for at least recent versions of FC6 (which my bittorrent
machine is still on), which currently run 2.6.22-14 based kernels.
And no, I didn't notice - that box usually hits triple-digit uptime
before I reboot; in fact, it's still running a 2.6.22-9 based kernel.

--alessandro

"Damaged people are dangerous. They know they can survive."

(Anna Barton/Juliette Binoche, 'Damage')


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