diff options
Diffstat (limited to '')
| -rw-r--r-- | arch/m68k/include/asm/motorola_pgtable.h | 30 |
1 files changed, 1 insertions, 29 deletions
diff --git a/arch/m68k/include/asm/motorola_pgtable.h b/arch/m68k/include/asm/motorola_pgtable.h index 022c3abc280d..7ac3d64c6b33 100644 --- a/arch/m68k/include/asm/motorola_pgtable.h +++ b/arch/m68k/include/asm/motorola_pgtable.h @@ -76,35 +76,6 @@ extern unsigned long mm_cachebits; #define PAGE_READONLY __pgprot(_PAGE_PRESENT | _PAGE_RONLY | _PAGE_ACCESSED | mm_cachebits) #define PAGE_KERNEL __pgprot(_PAGE_PRESENT | _PAGE_DIRTY | _PAGE_ACCESSED | mm_cachebits) -/* Alternate definitions that are compile time constants, for - initializing protection_map. The cachebits are fixed later. */ -#define PAGE_NONE_C __pgprot(_PAGE_PROTNONE | _PAGE_ACCESSED) -#define PAGE_SHARED_C __pgprot(_PAGE_PRESENT | _PAGE_ACCESSED) -#define PAGE_COPY_C __pgprot(_PAGE_PRESENT | _PAGE_RONLY | _PAGE_ACCESSED) -#define PAGE_READONLY_C __pgprot(_PAGE_PRESENT | _PAGE_RONLY | _PAGE_ACCESSED) - -/* - * The m68k can't do page protection for execute, and considers that the same are read. - * Also, write permissions imply read permissions. This is the closest we can get.. - */ -#define __P000 PAGE_NONE_C -#define __P001 PAGE_READONLY_C -#define __P010 PAGE_COPY_C -#define __P011 PAGE_COPY_C -#define __P100 PAGE_READONLY_C -#define __P101 PAGE_READONLY_C -#define __P110 PAGE_COPY_C -#define __P111 PAGE_COPY_C - -#define __S000 PAGE_NONE_C -#define __S001 PAGE_READONLY_C -#define __S010 PAGE_SHARED_C -#define __S011 PAGE_SHARED_C -#define __S100 PAGE_READONLY_C -#define __S101 PAGE_READONLY_C -#define __S110 PAGE_SHARED_C -#define __S111 PAGE_SHARED_C - #define pmd_pgtable(pmd) ((pgtable_t)pmd_page_vaddr(pmd)) /* @@ -147,6 +118,7 @@ static inline void pud_set(pud_t *pudp, pmd_t *pmdp) #define pmd_present(pmd) (pmd_val(pmd) & _PAGE_TABLE) #define pmd_clear(pmdp) ({ pmd_val(*pmdp) = 0; }) +#define pmd_pfn(pmd) ((pmd_val(pmd) & _TABLE_MASK) >> PAGE_SHIFT) /* * m68k does not have huge pages (020/030 actually could), but generic code * expects pmd_page() to exists, only to then DCE it all. Provide a dummy to |