linux-kernel - Re: [RFC][PATCH] mm: the page of MIGRATE

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Message-Id: <20081111171312.8B32.KOSAKI.MOTOHIRO@jp.fujitsu.com>
Date:	Tue, 11 Nov 2008 17:13:54 +0900 (JST)
From:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
To:	Christoph Lameter <cl@...ux-foundation.org>
Cc:	kosaki.motohiro@...fujitsu.com, Mel Gorman <mel@....ul.ie>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	LKML <linux-kernel@...r.kernel.org>,
	linux-mm <linux-mm@...ck.org>
Subject: Re: [RFC][PATCH] mm: the page of MIGRATE_RESERVE don't insert into pcp

> > Oh, do you mean splitting the list instead of searching? This is how it was
> > originally implement and shot down on the grounds it increased the size of
> > a per-cpu structure.
> 
> The situation may be better with the cpu_alloc stuff. The big pcp array in
> struct zone for all possible processors will be gone and thus the memory
> requirements will be less.

Yup, there are very nicer patch!



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