diff options
Diffstat (limited to 'arch/sparc/include/asm/pgtable_64.h')
| -rw-r--r-- | arch/sparc/include/asm/pgtable_64.h | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/arch/sparc/include/asm/pgtable_64.h b/arch/sparc/include/asm/pgtable_64.h index a7b5091f3b13..af3cd7a9e9ac 100644 --- a/arch/sparc/include/asm/pgtable_64.h +++ b/arch/sparc/include/asm/pgtable_64.h @@ -63,6 +63,14 @@ #error Page table parameters do not cover virtual address space properly. #endif +/* PMDs point to PTE tables which are 4K aligned. */ +#define PMD_PADDR _AC(0xfffffffe,UL) +#define PMD_PADDR_SHIFT _AC(11,UL) + +/* PGDs point to PMD tables which are 8K aligned. */ +#define PGD_PADDR _AC(0xfffffffc,UL) +#define PGD_PADDR_SHIFT _AC(11,UL) + #ifndef __ASSEMBLY__ #include <linux/sched.h> @@ -581,14 +589,14 @@ static inline unsigned long pte_special(pte_t pte) } #define pmd_set(pmdp, ptep) \ - (pmd_val(*(pmdp)) = (__pa((unsigned long) (ptep)) >> 11UL)) + (pmd_val(*(pmdp)) = (__pa((unsigned long) (ptep)) >> PMD_PADDR_SHIFT)) #define pud_set(pudp, pmdp) \ - (pud_val(*(pudp)) = (__pa((unsigned long) (pmdp)) >> 11UL)) + (pud_val(*(pudp)) = (__pa((unsigned long) (pmdp)) >> PGD_PADDR_SHIFT)) #define __pmd_page(pmd) \ - ((unsigned long) __va((((unsigned long)pmd_val(pmd))<<11UL))) + ((unsigned long) __va((((unsigned long)pmd_val(pmd))<<PMD_PADDR_SHIFT))) #define pmd_page(pmd) virt_to_page((void *)__pmd_page(pmd)) #define pud_page_vaddr(pud) \ - ((unsigned long) __va((((unsigned long)pud_val(pud))<<11UL))) + ((unsigned long) __va((((unsigned long)pud_val(pud))<<PGD_PADDR_SHIFT))) #define pud_page(pud) virt_to_page((void *)pud_page_vaddr(pud)) #define pmd_none(pmd) (!pmd_val(pmd)) #define pmd_bad(pmd) (0) |