dma-iommu: refactor iommu_dma_alloc_remap

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Split out a new helper that only allocates a sg_table worth of
memory without mapping it into contiguous kernel address space.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Tomasz Figa <tfiga@chromium.org>
Tested-by: Ricardo Ribalda <ribalda@chromium.org>

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Christoph Hellwig 2021-01-28 14:44:15 +01:00

parent 7d5b5738d1

commit 8230ce9a4e

1 changed files with 35 additions and 32 deletions

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drivers/iommu/dma-iommu.c

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