From: Richard Zhao <rizhao@nvidia.com>
Date: Thu, 20 Jun 2013 12:31:00 +0000 (+0800)
Subject: ARM: dma: Drop __GFP_COMP for iommu dma memory allocations
X-Git-Tag: v3.11-rc1~78^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5b91a98c61abe914e6a80d7dc15e435c47ea0004;p=pandora-kernel.git

ARM: dma: Drop __GFP_COMP for iommu dma memory allocations

__iommu_alloc_buffer wants to split pages after allocation in order to
reduce the memory footprint. This does not work well with __GFP_COMP
pages, so drop this flag before allocation

One failure example is snd_malloc_dev_pages call dma_alloc_coherent with
__GFP_COMP.

Signed-off-by: Richard Zhao <rizhao@nvidia.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
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