diff options
Diffstat (limited to 'arch/powerpc/include/asm/pgtable.h')
| -rw-r--r-- | arch/powerpc/include/asm/pgtable.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/pgtable.h b/arch/powerpc/include/asm/pgtable.h index 8cc543ed114c..b1f1d5339735 100644 --- a/arch/powerpc/include/asm/pgtable.h +++ b/arch/powerpc/include/asm/pgtable.h @@ -41,6 +41,25 @@ struct mm_struct; #ifndef __ASSEMBLY__ +#ifdef CONFIG_PPC32 +static inline pmd_t *pmd_ptr(struct mm_struct *mm, unsigned long va) +{ + return pmd_offset(pud_offset(pgd_offset(mm, va), va), va); +} + +static inline pmd_t *pmd_ptr_k(unsigned long va) +{ + return pmd_offset(pud_offset(pgd_offset_k(va), va), va); +} + +static inline pte_t *virt_to_kpte(unsigned long vaddr) +{ + pmd_t *pmd = pmd_ptr_k(vaddr); + + return pmd_none(*pmd) ? NULL : pte_offset_kernel(pmd, vaddr); +} +#endif + #include <asm/tlbflush.h> /* Keep these as a macros to avoid include dependency mess */ |