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SubjectRe: [PATCH v2] dma-mapping: benchmark: pretend DMA is transmitting
On Fri, Feb 05, 2021 at 03:00:35PM +1300, Barry Song wrote:
> + __u32 dma_trans_ns; /* time for DMA transmission in ns */
> __u64 expansion[10]; /* For future use */

We need to keep the struct size, so the expansion field needs to
shrink by the equivalent amount of data that is added in dma_trans_ns.

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