linux-kernel - Re: [patch] SLQB slab allocator (try 2)

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Message-ID: <84144f020902161125r59de8a53nfe01566d20ff1658@mail.gmail.com>
Date:	Mon, 16 Feb 2009 21:25:35 +0200
From:	Pekka Enberg <penberg@...helsinki.fi>
To:	Mel Gorman <mel@....ul.ie>
Cc:	Nick Piggin <nickpiggin@...oo.com.au>,
	Nick Piggin <npiggin@...e.de>,
	Linux Memory Management List <linux-mm@...ck.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Lin Ming <ming.m.lin@...el.com>,
	"Zhang, Yanmin" <yanmin_zhang@...ux.intel.com>,
	Christoph Lameter <cl@...ux-foundation.org>
Subject: Re: [patch] SLQB slab allocator (try 2)

Hi Mel,

On Mon, Feb 16, 2009 at 8:42 PM, Mel Gorman <mel@....ul.ie> wrote:
> Slightly later than hoped for, but here are the results of the profile
> run between the different slab allocators. It also includes information on
> the performance on SLUB with the allocator pass-thru logic reverted by commit
> http://git.kernel.org/?p=linux/kernel/git/penberg/slab-2.6.git;a=commitdiff;h=97a4871761e735b6f1acd3bc7c3bac30dae3eab9

Did you just cherry-pick the patch or did you run it with the
topic/slub/perf branch? There's a follow-up patch from Yanmin which
will make a difference for large allocations when page-allocator
pass-through is reverted:

http://git.kernel.org/?p=linux/kernel/git/penberg/slab-2.6.git;a=commitdiff;h=79b350ab63458ef1d11747b4f119baea96771a6e

                            Pekka
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