async_tx: trim dma_async_tx_descriptor in 'no channel switch' case

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Saves 24 bytes per descriptor (64-bit) when the channel-switching
capabilities of async_tx are not required.

Signed-off-by: Dan Williams <dan.j.williams@intel.com>

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Dan Williams 2010-05-17 16:24:16 -07:00

parent c86e1401c9

commit caa20d974c

3 changed files with 88 additions and 34 deletions

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include/linux/dmaengine.h

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