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    SubjectRe: [Xen-devel] [PATCH v2 09/20] xen/biomerge: Don't allow biovec to be merge when Linux is not using 4KB page
    On 17/07/15 14:20, Stefano Stabellini wrote:
    > We would have to run some benchmarks, but I think it would still be a
    > win. We should write an ad-hoc __pfn_to_mfn translation function that
    > operates on a range of pfns and simply checks whether an entry is
    > present in that range. It should be just as fast as __pfn_to_mfn. I
    > would definitely recommend it.

    I'd like to see a basic support of 64KB support on Xen pushed in Linux
    upstream before looking to possible improvement in the code. Can we
    defer this as the follow-up of this series?

    Regards,

    --
    Julien Grall


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