linux-kernel - Re: [patch 4/6] slub: avoid compiling SLAB_CACHE

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Message-ID: <alpine.DEB.2.00.1105250957180.23309@router.home>
Date:	Wed, 25 May 2011 09:58:13 -0500 (CDT)
From:	Christoph Lameter <cl@...ux.com>
To:	David Rientjes <rientjes@...gle.com>
cc:	Pekka Enberg <penberg@...nel.org>, linux-kernel@...r.kernel.org
Subject: Re: [patch 4/6] slub: avoid compiling SLAB_CACHE_DMA without DMA
 support

On Tue, 24 May 2011, David Rientjes wrote:

> If CONFIG_ZONE_DMA is disabled, SLAB_CACHE_DMA is a no-op.  Avoid
> compiling support for it on such a configuration.

Setting SLAB_CACHE_DMA to zero in the !ZONE_DMA case could avoid some of
the ifdeffery.

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