* Christoph Hellwig <[email protected]> wrote:
> On Sat, Jan 06, 2007 at 07:31:52PM +0000, Christoph Hellwig wrote:
> > On Sun, Jan 07, 2007 at 03:18:45AM +1100, Rusty Russell wrote:
> > > PS. drm_memory.h has a "drm_follow_page": this forces us to uninline
> > > various page tables ops. Can this use follow_page() somehow, or do we
> > > need an "__follow_page" export for this case?
> >
> > Not if avoidable. And it seems avoidable as drm really should be using
> > vmalloc_to_page. Untested patch below:
>
> Even better we can actualy avid most of the page table walks
> completely.
agreed. I think there's an important side-observation here as well:
having inlined functions uninlined and exported puts them under a lot
more scrutiny. Hence individual exports instead of the global
paravirt_ops export is a big plus.
Ingo
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