linux-kernel - Re: Define CONFIG_BOUNCE to avoid useless inclusion of bounce buffer logic.

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Message-ID: <20070522070858.GJ4705@kernel.dk>
Date:	Tue, 22 May 2007 09:08:59 +0200
From:	Jens Axboe <jens.axboe@...cle.com>
To:	Christoph Lameter <clameter@....com>
Cc:	akpm@...ux-foundation.org, linux-kernel@...r.kernel.org
Subject: Re: Define CONFIG_BOUNCE to avoid useless inclusion of bounce buffer  logic.

On Mon, May 21 2007, Christoph Lameter wrote:
> The bounce buffer logic is included on systems that do not need it.
> If a system does not have zones like ZONE_DMA and ZONE_HIGHMEM that
> can lead to the use of bounce buffers then there is no need to reserve 
> memory pools etc etc. This is true f.e. for SGI Altix.
> 
> Also nicifies the Makefile and gets rid of the tricky "and" there.
> 
> Signed-off-by: Christoph Lameter <clameter@....com>

Signed-off-by: Jens Axboe <jens.axboe@...cle.com>

-- 
Jens Axboe

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