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    SubjectRe: [rfc] split_page function to split higher order pages?
    On Mon, 2006-01-23 at 09:47 +0100, Heiko Carstens wrote:
    > > > > 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?

    because in that case the drivers shouldn't allocate higher order pages
    in the first place...

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      Last update: 2006-01-23 09:56    [W:0.018 / U:141.924 seconds]
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