Messages in this thread | | | Subject | Re: [rfc] split_page function to split higher order pages? | From | Arjan van de Ven <> | Date | Mon, 23 Jan 2006 09:54:05 +0100 |
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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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