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    SubjectRe: [rfc] split_page function to split higher order pages?
    > > > Just wondering what people think of the idea of using a helper
    > > > function to split higher order pages instead of doing it manually?
    > >
    > > Maybe it's worth documenting that this is for kernel (or even
    > > architecture) internal use only and that drivers really shouldn't be
    > > doing this..
    >
    > I guess it doesn't seem like something drivers would need to use
    > (and none appear to do anything like it).

    And I thought this could/should be used together with vm_insert_page() that
    drivers are supposed to use nowadays instead of remap_pfn_range().
    Why shouldn't drivers use this?

    Thanks,
    Heiko
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