iommu/iova: Limit IOVA alignment using CONFIG_ARM64_DMA_IOMMU_ALIGNMENT
Currently IOVAs are aligned to the next power of two of the size of the allocation. This can result in unnecessary fragmentation of the IOVA space. If defined use CONFIG_ARM64_DMA_IOMMU_ALIGNMENT to limit the maximum IOVA alignment. Change-Id: Ica7f6382237e37acac2d35972a564ca1e1f5e84f Signed-off-by:Liam Mark <lmark@codeaurora.org> Signed-off-by:
Patrick Daly <pdaly@codeaurora.org>
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