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android_kernel_xiaomi_sm8450/arch/xtensa/kernel/pci-dma.c
Max Filippov 6137e41660 xtensa: support DMA buffers in high memory 
If a DMA buffer is allocated in high memory and kernel mapping is
required use dma_common_contiguous_remap to map buffer to the vmalloc
region and dma_common_free_remap to unmap it.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
2018-02-16 19:19:54 -08:00

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