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

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Message-ID: <Pine.LNX.4.64.0708151259230.7326@schroedinger.engr.sgi.com>
Date:	Wed, 15 Aug 2007 12:59:32 -0700 (PDT)
From:	Christoph Lameter <clameter@....com>
To:	Andi Kleen <ak@...e.de>
cc:	Ralf Baechle <ralf@...ux-mips.org>,
	Alan Cox <alan@...rguk.ukuu.org.uk>,
	Mel Gorman <mel@...net.ie>, Lee.Schermerhorn@...com,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	linux-mips@...ux-mips.org
Subject: Re: [PATCH 3/4] Embed zone_id information within the zonelist->zones
 pointer

On Wed, 15 Aug 2007, Andi Kleen wrote:

> BTW I suspect this is true for some other GFP_DMA usages too.
> Some driver writers seem to confuse it with the PCI DMA
> APIs or believe it is always needed for them.

See especially ARM.

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