d2e27228b8e9e83642
author Marek Szyprowski <m.szyprowski@samsung.com> 1337193538 +0100
committer Marek Szyprowski <m.szyprowski@samsung.com> 1343643946 +0200

ARM: dma-mapping: add support for DMA_ATTR_NO_KERNEL_MAPPING attribute

This patch adds support for DMA_ATTR_NO_KERNEL_MAPPING attribute for
IOMMU allocations, what let drivers to save precious kernel virtual
address space for large buffers that are intended to be accessed only
from userspace.

This patch is heavily based on initial work kindly provided by Abhinav
Kochhar <abhinav.k@samsung.com>.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: Kyungmin Park <kyungmin.park@samsung.com>
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