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    SubjectRe: [PATCH] RFC: kills consistent_dma_mask
    On 19 Aug 2003 19:33:19 +0100
    Alan Cox <> wrote:

    > On Maw, 2003-08-19 at 17:55, David S. Miller wrote:
    > > (d) Makes implementations have to verify the mask is usable
    > > on every mapping attempt.
    > Or once per type with a bit of thought about it. I deal with
    > hardware that has 2 limits on its consistent allocs and a
    > different one with its streaming I/O buffers. It doesn't seem
    > too atypical either

    Are you talking on the platform or the PCI device side?

    If on the platform side, the device wants to use the most
    capable range/mask/whatever available that also fits it's

    If on the PCI device side, it's also a best fit problem.

    Give a specific example so I can map this out in my head.
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