linux-kernel - Re: [RFC PATCH 00/20] Cleanup and optimise the page allocator

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Message-Id: <1235378065.2604.434.camel@ymzhang>
Date:	Mon, 23 Feb 2009 16:34:25 +0800
From:	"Zhang, Yanmin" <yanmin_zhang@...ux.intel.com>
To:	Pekka Enberg <penberg@...helsinki.fi>
Cc:	Mel Gorman <mel@....ul.ie>,
	Linux Memory Management List <linux-mm@...ck.org>,
	Rik van Riel <riel@...hat.com>,
	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	Christoph Lameter <cl@...ux-foundation.org>,
	Johannes Weiner <hannes@...xchg.org>,
	Nick Piggin <npiggin@...e.de>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Lin Ming <ming.m.lin@...el.com>
Subject: Re: [RFC PATCH 00/20] Cleanup and optimise the page allocator

On Mon, 2009-02-23 at 09:29 +0200, Pekka Enberg wrote:
> On Mon, Feb 23, 2009 at 1:17 AM, Mel Gorman <mel@....ul.ie> wrote:
> > The complexity of the page allocator has been increasing for some time
> > and it has now reached the point where the SLUB allocator is doing strange
> > tricks to avoid the page allocator. This is obviously bad as it may encourage
> > other subsystems to try avoiding the page allocator as well.
> 
> I'm not an expert on the page allocator but the series looks sane to me.
> 
> Acked-by: Pekka Enberg <penberg@...helsinki.fi>
> 
> Yanmin, it would be interesting to know if we still need 8K kmalloc
> caches with these patches applied. :-)
We are running testing against the series of patches on top of 2.6.29-rc5, and
will keep you posted on the results.


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