diff options
Diffstat (limited to 'arch/powerpc/include/asm/pgtable.h')
| -rw-r--r-- | arch/powerpc/include/asm/pgtable.h | 30 |
1 files changed, 24 insertions, 6 deletions
diff --git a/arch/powerpc/include/asm/pgtable.h b/arch/powerpc/include/asm/pgtable.h index 17fd7ff6e535..d20ff2ae02f5 100644 --- a/arch/powerpc/include/asm/pgtable.h +++ b/arch/powerpc/include/asm/pgtable.h @@ -34,6 +34,8 @@ struct mm_struct; void set_ptes(struct mm_struct *mm, unsigned long addr, pte_t *ptep, pte_t pte, unsigned int nr); #define set_ptes set_ptes +void set_pte_at_unchecked(struct mm_struct *mm, unsigned long addr, + pte_t *ptep, pte_t pte); #define update_mmu_cache(vma, addr, ptep) \ update_mmu_cache_range(NULL, vma, addr, ptep, 1) @@ -61,6 +63,20 @@ static inline pgprot_t pte_pgprot(pte_t pte) return __pgprot(pte_flags); } +#ifdef CONFIG_PPC64 +#define pmd_pgprot pmd_pgprot +static inline pgprot_t pmd_pgprot(pmd_t pmd) +{ + return pte_pgprot(pmd_pte(pmd)); +} + +#define pud_pgprot pud_pgprot +static inline pgprot_t pud_pgprot(pud_t pud) +{ + return pte_pgprot(pud_pte(pud)); +} +#endif /* CONFIG_PPC64 */ + static inline pgprot_t pgprot_nx(pgprot_t prot) { return pte_pgprot(pte_exprotect(__pte(pgprot_val(prot)))); @@ -74,12 +90,6 @@ static inline const void *pmd_page_vaddr(pmd_t pmd) } #define pmd_page_vaddr pmd_page_vaddr #endif -/* - * ZERO_PAGE is a global shared page that is always zero: used - * for zero-mapped memory areas etc.. - */ -extern unsigned long empty_zero_page[]; -#define ZERO_PAGE(vaddr) (virt_to_page(empty_zero_page)) extern pgd_t swapper_pg_dir[]; @@ -202,6 +212,14 @@ static inline bool arch_supports_memmap_on_memory(unsigned long vmemmap_size) #endif /* CONFIG_PPC64 */ +#ifndef pmd_user_accessible_page +#define pmd_user_accessible_page(mm, addr, pmd) false +#endif + +#ifndef pud_user_accessible_page +#define pud_user_accessible_page(mm, addr, pud) false +#endif + #endif /* __ASSEMBLER__ */ #endif /* _ASM_POWERPC_PGTABLE_H */ |