linux-kernel - Re: [mm][RFC][PATCH 0/11] mm accessor updates.

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Message-Id: <20091217130945.9F9A.A69D9226@jp.fujitsu.com>
Date:	Thu, 17 Dec 2009 13:11:57 +0900 (JST)
From:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	kosaki.motohiro@...fujitsu.com,
	Christoph Lameter <cl@...ux-foundation.org>,
	Andi Kleen <andi@...stfloor.org>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-mm@...ck.org" <linux-mm@...ck.org>,
	"akpm@...ux-foundation.org" <akpm@...ux-foundation.org>,
	"mingo@...e.hu" <mingo@...e.hu>, minchan.kim@...il.com
Subject: Re: [mm][RFC][PATCH 0/11] mm accessor updates.

> As for per-vma locks, those are pretty much useless too, there's plenty
> applications doing lots of work on a few very large vmas.

Yes, because brk() makes large vmas. I don't imazine no malloc application
are so much.


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