linux-kernel - Re: [PATCH][RFC] slub: increasing order reduces memory usage of some key caches

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Date:	Fri, 18 Jul 2008 16:22:40 +0100
From:	Richard Kennedy <richard@....demon.co.uk>
To:	Christoph Lameter <cl@...ux-foundation.org>
Cc:	penberg@...helsinki.fi, mpm@...enic.com,
	linux-mm <linux-mm@...ck.org>,
	lkml <linux-kernel@...r.kernel.org>, Mel Gorman <mel@....ul.ie>
Subject: Re: [PATCH][RFC] slub: increasing order reduces memory usage of
	some key caches


On Fri, 2008-07-18 at 09:55 -0500, Christoph Lameter wrote:
> OK that is now 4215 pages before and 4112 after the patch? Yawn.... So barely any effect?

Well it's not huge but there's another 100+ pages out of radix_tree,
too. & I've not inspected the rest of the cache usage.

I hope there's nowhere in the kernel wasting large amounts of memory --
that's what userspace is for ;) 


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