diff options
Diffstat (limited to 'arch/sparc/include/asm/pgtable_32.h')
| -rw-r--r-- | arch/sparc/include/asm/pgtable_32.h | 26 |
1 files changed, 6 insertions, 20 deletions
diff --git a/arch/sparc/include/asm/pgtable_32.h b/arch/sparc/include/asm/pgtable_32.h index ffccfe3b22ed..8ff549004fac 100644 --- a/arch/sparc/include/asm/pgtable_32.h +++ b/arch/sparc/include/asm/pgtable_32.h @@ -64,25 +64,6 @@ void paging_init(void); extern unsigned long ptr_in_current_pgd; -/* xwr */ -#define __P000 PAGE_NONE -#define __P001 PAGE_READONLY -#define __P010 PAGE_COPY -#define __P011 PAGE_COPY -#define __P100 PAGE_READONLY -#define __P101 PAGE_READONLY -#define __P110 PAGE_COPY -#define __P111 PAGE_COPY - -#define __S000 PAGE_NONE -#define __S001 PAGE_READONLY -#define __S010 PAGE_SHARED -#define __S011 PAGE_SHARED -#define __S100 PAGE_READONLY -#define __S101 PAGE_READONLY -#define __S110 PAGE_SHARED -#define __S111 PAGE_SHARED - /* First physical page can be anywhere, the following is needed so that * va-->pa and vice versa conversions work properly without performance * hit for all __pa()/__va() operations. @@ -127,11 +108,16 @@ static inline int srmmu_device_memory(unsigned long x) return ((x & 0xF0000000) != 0); } +static inline unsigned long pmd_pfn(pmd_t pmd) +{ + return (pmd_val(pmd) & SRMMU_PTD_PMASK) >> (PAGE_SHIFT-4); +} + static inline struct page *pmd_page(pmd_t pmd) { if (srmmu_device_memory(pmd_val(pmd))) BUG(); - return pfn_to_page((pmd_val(pmd) & SRMMU_PTD_PMASK) >> (PAGE_SHIFT-4)); + return pfn_to_page(pmd_pfn(pmd)); } static inline unsigned long __pmd_page(pmd_t pmd) |