linux-kernel - Re: [PATCH 3/4] Embed zone_id information within the zonelist->zones pointer

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Message-ID: <20070814002223.2d8d42c5@the-village.bc.nu>
Date:	Tue, 14 Aug 2007 00:22:23 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Andi Kleen <ak@...e.de>
Cc:	Christoph Lameter <clameter@....com>, Andi Kleen <ak@...e.de>,
	Mel Gorman <mel@...net.ie>, Lee.Schermerhorn@...com,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [PATCH 3/4] Embed zone_id information within the
 zonelist->zones pointer

> The only tricky part were skbs in a few drivers, but luckily they are only
> needed for bouncing which can be done without a skb too. For RX it adds
> one copy, but we can live with that because they're only slow devices.

Usually found on slow hardware that can't cope with extra copies very
well.

Alan
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