linux-kernel - Re: [PATCH 20/21] mm: Extended batches for generic mmu

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Message-Id: <20101129121118.6ee856fd.kamezawa.hiroyu@jp.fujitsu.com>
Date:	Mon, 29 Nov 2010 12:11:18 +0900
From:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
To:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc:	Andrea Arcangeli <aarcange@...hat.com>,
	Avi Kivity <avi@...hat.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Rik van Riel <riel@...hat.com>, Ingo Molnar <mingo@...e.hu>,
	akpm@...ux-foundation.org,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org,
	linux-mm@...ck.org,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	David Miller <davem@...emloft.net>,
	Hugh Dickins <hugh.dickins@...cali.co.uk>,
	Mel Gorman <mel@....ul.ie>, Nick Piggin <npiggin@...nel.dk>,
	Paul McKenney <paulmck@...ux.vnet.ibm.com>,
	Yanmin Zhang <yanmin_zhang@...ux.intel.com>,
	Stephen Rothwell <sfr@...b.auug.org.au>
Subject: Re: [PATCH 20/21] mm: Extended batches for generic mmu_gather

On Fri, 26 Nov 2010 15:39:03 +0100
Peter Zijlstra <a.p.zijlstra@...llo.nl> wrote:

> Instead of using a single batch (the small on-stack, or an allocated
> page), try and extend the batch every time it runs out and only flush
> once either the extend fails or we're done.
> 
> Requested-by: Nick Piggin <npiggin@...e.de>
> Signed-off-by: Peter Zijlstra <a.p.zijlstra@...llo.nl>

Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>


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