From mboxrd@z Thu Jan  1 00:00:00 1970
From: Christoph Hellwig <hch@infradead.org>
Subject: Re: [PATCH 3/20][BNX2]: Add 40-bit DMA workaround for 5708.
Date: Wed, 2 May 2007 16:28:01 +0100
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References: <20070502.001243.70193466.davem@davemloft.net> <1551EAE59135BE47B544934E30FC4FC09400DB@nt-irva-0751.brcm.ad.broadcom.com>
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Cc: David Miller <davem@davemloft.net>, jeff@garzik.org,
	netdev@vger.kernel.org
To: Michael Chan <mchan@broadcom.com>
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On Wed, May 02, 2007 at 08:23:40AM -0700, Michael Chan wrote:
> A non-IOMMU system using 64-bit dma_addr_t will always set
> CONFIG_HIGHMEM, right?

No.