[OpenRISC] [PATCH 08/12] mm: pgtable: add shortcuts for accessing kernel PMD and PTE

Mike Rapoport
2020-05-13T05:23:20Z

On Tue, May 12, 2020 at 12:24:41PM -0700, Matthew Wilcox wrote:
> On Tue, May 12, 2020 at 09:44:18PM +0300, Mike Rapoport wrote:
> > +++ b/include/linux/pgtable.h
> > @@ -28,6 +28,24 @@
> > #define USER_PGTABLES_CEILING 0UL
> > #endif
> >
> > +/* FIXME: */
>
> Fix you what? Add documentation?

Ouch, indeed :)

> > +static inline pmd_t *pmd_off(struct mm_struct *mm, unsigned long va)
> > +{
> > + return pmd_offset(pud_offset(p4d_offset(pgd_offset(mm, va), va), va), va);
> > +}

--
Sincerely yours,
Mike.