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

Matthew Wilcox
2020-05-12T19:24:41Z

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?

> +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);
> +}