Re: [PATCH] Fix 64 bit DMA mapping problem with PCI cards on SN2

From: Jesse Barnes <>
Date: 2004-02-21 15:42:10
David, it looks like we accidentally dropped a hunk in the DMA mapping
code.  Can you please push this patch to Linus soon?


On Fri, Feb 20, 2004 at 05:08:41PM -0800, Jeremy Higdon wrote:
> PCI cards were forced to 32 bit addresses.  There is significant
> extra overhead to DMA setup with 32 bit, and it is fairly easy to
> run out of mapping resources.
> This patch reenables 64 bit DMA mapping for PCI cards.
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Received on Fri Feb 20 23:43:31 2004

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