From 5a5e02a614e59db7536cd11029e6674adc41b191 Mon Sep 17 00:00:00 2001
From: David Woodhouse <David.Woodhouse@intel.com>
Date: Sat, 4 Jul 2009 09:35:44 +0100
Subject: [PATCH] intel-iommu: Fix dma vs. mm page confusion with
 aligned_nrpages()

The aligned_nrpages() function rounds up to the next VM page, but
returns its result as a number of DMA pages.

Purely theoretical except on IA64, which doesn't boot with VT-d right
now anyway.

Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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