diff options
Diffstat (limited to 'include/asm-avr32/pgtable.h')
| -rw-r--r-- | include/asm-avr32/pgtable.h | 34 |
1 files changed, 14 insertions, 20 deletions
diff --git a/include/asm-avr32/pgtable.h b/include/asm-avr32/pgtable.h index c0e5e29..fecdda1 100644 --- a/include/asm-avr32/pgtable.h +++ b/include/asm-avr32/pgtable.h @@ -129,13 +129,6 @@ extern struct page *empty_zero_page; #define _PAGE_FLAGS_CACHE_MASK (_PAGE_CACHABLE | _PAGE_BUFFER | _PAGE_WT) -/* TODO: Check for saneness */ -/* User-mode page table flags (to be set in a pgd or pmd entry) */ -#define _PAGE_TABLE (_PAGE_PRESENT | _PAGE_TYPE_SMALL | _PAGE_RW \ - | _PAGE_USER | _PAGE_ACCESSED | _PAGE_DIRTY) -/* Kernel-mode page table flags */ -#define _KERNPG_TABLE (_PAGE_PRESENT | _PAGE_TYPE_SMALL | _PAGE_RW \ - | _PAGE_ACCESSED | _PAGE_DIRTY) /* Flags that may be modified by software */ #define _PAGE_CHG_MASK (PTE_MASK | _PAGE_ACCESSED | _PAGE_DIRTY \ | _PAGE_FLAGS_CACHE_MASK) @@ -262,10 +255,14 @@ static inline pte_t pte_mkspecial(pte_t pte) } #define pmd_none(x) (!pmd_val(x)) -#define pmd_present(x) (pmd_val(x) & _PAGE_PRESENT) -#define pmd_clear(xp) do { set_pmd(xp, __pmd(0)); } while (0) -#define pmd_bad(x) ((pmd_val(x) & (~PAGE_MASK & ~_PAGE_USER)) \ - != _KERNPG_TABLE) +#define pmd_present(x) (pmd_val(x)) + +static inline void pmd_clear(pmd_t *pmdp) +{ + set_pmd(pmdp, __pmd(0)); +} + +#define pmd_bad(x) (pmd_val(x) & ~PAGE_MASK) /* * Permanent address of a page. We don't support highmem, so this is @@ -303,19 +300,16 @@ static inline pte_t pte_modify(pte_t pte, pgprot_t newprot) #define page_pte(page) page_pte_prot(page, __pgprot(0)) -#define pmd_page_vaddr(pmd) \ - ((unsigned long) __va(pmd_val(pmd) & PAGE_MASK)) - -#define pmd_page(pmd) (phys_to_page(pmd_val(pmd))) +#define pmd_page_vaddr(pmd) pmd_val(pmd) +#define pmd_page(pmd) (virt_to_page(pmd_val(pmd))) /* to find an entry in a page-table-directory. */ -#define pgd_index(address) (((address) >> PGDIR_SHIFT) & (PTRS_PER_PGD-1)) -#define pgd_offset(mm, address) ((mm)->pgd+pgd_index(address)) -#define pgd_offset_current(address) \ - ((pgd_t *)__mfsr(SYSREG_PTBR) + pgd_index(address)) +#define pgd_index(address) (((address) >> PGDIR_SHIFT) \ + & (PTRS_PER_PGD - 1)) +#define pgd_offset(mm, address) ((mm)->pgd + pgd_index(address)) /* to find an entry in a kernel page-table-directory */ -#define pgd_offset_k(address) pgd_offset(&init_mm, address) +#define pgd_offset_k(address) pgd_offset(&init_mm, address) /* Find an entry in the third-level page table.. */ #define pte_index(address) \ |
