dma-mapping: add a dma_addressing_limited helper

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This helper returns if the device has issues addressing all present
memory in the system.

Signed-off-by: Christoph Hellwig <hch@lst.de>

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Christoph Hellwig 2019-07-16 21:59:11 +02:00

parent 9087c37584

commit b866455423

1 changed files with 14 additions and 0 deletions

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include/linux/dma-mapping.h

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