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    SubjectRe: [patch 6/7] ps3: ROM Storage Driver
    On Tue, 2007-05-29 at 13:11 +0200, Geert Uytterhoeven wrote:
    > > This looks very inefficient. Just set sg_tablesize of your driver
    > > to 1 to avoid getting mutiple segments.
    > The disadvantage of setting sg_tablesize = 1 is that the driver will
    > get small
    > requests (PAGE_SIZE) most of the time, which is very bad for
    > performance.

    And the joke is that not only the HW can do scatter & gather but you
    also have an iommu ...


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