linux-kernel - Re: [PATCH] mm: don't use ZONE_DMA unless CONFIG_ZONE

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Message-ID: <20070307040248.GA30278@redhat.com>
Date:	Tue, 6 Mar 2007 23:02:48 -0500
From:	Dave Jones <davej@...hat.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Andres Salomon <dilinger@...ian.org>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] mm: don't use ZONE_DMA unless CONFIG_ZONE_DMA is set in setup.c

On Tue, Mar 06, 2007 at 05:52:46PM -0800, Andrew Morton wrote:
 > On Tue, 06 Mar 2007 18:52:59 -0500
 > Andres Salomon <dilinger@...ian.org> wrote:
 > 
 > > If CONFIG_ZONE_DMA is ever undefined, ZONE_DMA will also not be defined,
 > > and setup.c won't compile.  This wraps it with an #ifdef.
 > > 
 > 
 > I guess if anyone tries to disable ZONE_DMA on i386 they'll pretty quickly
 > discover that.  But I don't think we need to "fix" it yet?

CONFIG_ZONE_DMA isn't even optional on i386, so I'm curious how
you could hit this compile failure.

	Dave

-- 
http://www.codemonkey.org.uk
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