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SubjectRe: [GIT PULL] x86/mm changes for v4.12
On Wed, May 24, 2017 at 08:25:26AM +0200, Ingo Molnar wrote:
>
> * Kirill A. Shutemov <kirill@shutemov.name> wrote:
>
> > On Mon, May 01, 2017 at 02:00:53PM +0200, Ingo Molnar wrote:
> > > - Continued Intel 5-level paging enablement: in particular the conversion
> > > of x86 GUP to the generic GUP code. (Kirill A. Shutemov)
> > >
> > ...
> > >
> > > I'd like to draw special attention to this late MM commit:
> > >
> > > 71389703839e: mm, zone_device: Replace {get, put}_zone_device_page() with a single reference to fix pmem crash
> > >
> > > ... which is a late fix, and which I believe is the right thing to do - but please
> > > double check.
> >
> > I've just noticied that the x86 GUP conversion haven't made it's way to
> > v4.12: the fix got applied (71389703839e), but the final commit that does
> > convertion keeped reverted -- 6dd29b3df975.
> >
> > I guess it's too late for v4.12...
> >
> > Ingo could you re-apply 2947ba054a4d ("x86/mm/gup: Switch GUP to the
> > generic get_user_page_fast() implementation") to be queued to v4.13?
>
> There were some late problems and I wanted x86/mm to be regression-free - we don't
> have all the 5-level paging patches applied yet so the exact cut we made at v4.12
> does not matter much - v4.13 is going to be the real deal.
>
> Could you please make the re-application part of the remaining 5-level paging
> patches?

Sure. Will post later today.

--
Kirill A. Shutemov

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