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(parent: 8a1d774) | patch
dma-mapping: introduce a dma_common_find_pages helper
authorChristoph Hellwig <hch@lst.de>
Mon, 3 Jun 2019 07:14:31 +0000 (09:14 +0200)
committerChristoph Hellwig <hch@lst.de>
Wed, 4 Sep 2019 09:13:20 +0000 (11:13 +0200)
commite23bfd342cf2eb67900b8b255cb6d93a2f116219
treef77c8831902447d5c079eb8d36d4819d426d6e06tree | snapshot
parent8a1d77413d46fb182b92ffe2a1dc624ac4e07348commit | diff
dma-mapping: introduce a dma_common_find_pages helper

A helper to find the backing page array based on a virtual address.
This also ensures we do the same vm_flags check everywhere instead
of slightly different or missing ones in a few places.

Signed-off-by: Christoph Hellwig <hch@lst.de>
arch/arm/mm/dma-mapping.c diff | blob | history
drivers/iommu/dma-iommu.c diff | blob | history
include/linux/dma-mapping.h diff | blob | history
kernel/dma/remap.c diff | blob | history
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