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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?

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