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SubjectRe: [PATCH] - GRU virtual -> physical translation
On Mon, Jul 14, 2008 at 11:31:07AM -0500, Jack Steiner wrote:
> On Mon, Jul 14, 2008 at 09:24:51AM -0700, Andrew Morton wrote:
> > On Mon, 14 Jul 2008 09:52:55 -0500 Jack Steiner <steiner@sgi.com> wrote:
> >
> > > On Fri, Jul 11, 2008 at 12:17:36PM -0700, Andrew Morton wrote:
> > > > On Wed, 9 Jul 2008 14:14:39 -0500 Jack Steiner <steiner@sgi.com> wrote:
> > > >
> > > > > Open code the equivalent to follow_page(). This eliminates the
> > > > > requirement for an EXPORT of follow_page().
> > > >
> > > > I'd prefer to export follow_page() - copying-n-pasting just to avoid
> > > > exporting the darn thing is silly.
> > >
> > > If follow_page() can be EXPORTed, I think that may make the most sense for
> > > now.
> >
> > What was Christoph's reason for objecting to the export?
>
> No clue. Just a NACK.
>
> Christoph???

Maybe I missed part of the discussion, but I thought follow_page() would
not work because you need this to function in the interrupt context and
locks would then need to be made irqsave/irqrestore.

This, of course does not in any way answer the question about why
follow_page() can not be exported.

Thanks,
Robin


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