linux-kernel - Re: Major regression on hackbench with SLUB (more numbers)

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Message-ID: <ufaabo2xrxz.fsf@epithumia.math.uh.edu>
Date:	22 Dec 2007 16:52:56 -0600
From:	Jason L Tibbitts III <tibbs@...h.uh.edu>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andi Kleen <andi@...stfloor.org>,
	Christoph Lameter <clameter@....com>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Steven Rostedt <rostedt@...dmis.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Christoph Hellwig <hch@...radead.org>,
	"Rafael J. Wysocki" <rjw@...k.pl>
Subject: Re: Major regression on hackbench with SLUB (more numbers)

>>>>> "IM" == Ingo Molnar <mingo@...e.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

 - J<
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