linux-kernel - Re: [PATCH 00/25] Cleanup and optimise the page allocator V5

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Date:	Mon, 23 Mar 2009 09:30:26 -0400 (EDT)
From:	Christoph Lameter <cl@...ux-foundation.org>
To:	Mel Gorman <mel@....ul.ie>
cc:	Linux Memory Management List <linux-mm@...ck.org>,
	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	Nick Piggin <npiggin@...e.de>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Lin Ming <ming.m.lin@...el.com>,
	Zhang Yanmin <yanmin_zhang@...ux.intel.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH 00/25] Cleanup and optimise the page allocator V5

On Mon, 23 Mar 2009, Mel Gorman wrote:

> This came up again. There was some evidence when it was introduced that
> it worked and micro-benchmarks can show it to be of some use. It's
> not-obvious-enough that I'd be wary of deleting it.

Certainly there is some minimal benefit. But maybe that benefit will
vanish if you drop the doubly linked list?

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