linux-kernel - Re: [PATCH] slob: reduce list scanning

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Message-ID: <84144f020707160022p37a2d712g21c3d5c89ed6345d@mail.gmail.com>
Date:	Mon, 16 Jul 2007 10:22:29 +0300
From:	"Pekka Enberg" <penberg@...helsinki.fi>
To:	"Nick Piggin" <nickpiggin@...oo.com.au>
Cc:	"Matt Mackall" <mpm@...enic.com>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	akpm@...ux-foundation.org, "Christoph Lameter" <clameter@....com>
Subject: Re: [PATCH] slob: reduce list scanning

On 7/16/07, Nick Piggin <nickpiggin@...oo.com.au> wrote:
> Actually SLOB potentially has some fundamental CPU cache hotness
> advantages over the other allocators, for the same reasons as
> its space advantages.

Because consecutive allocations hit the same cache-hot page regardless
of requested size where as SLUB by definition distributes allocations
to different pages (some of which may not be hot)?
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