diff options
Diffstat (limited to 'arch/alpha/include/asm/pgtable.h')
| -rw-r--r-- | arch/alpha/include/asm/pgtable.h | 25 |
1 files changed, 1 insertions, 24 deletions
diff --git a/arch/alpha/include/asm/pgtable.h b/arch/alpha/include/asm/pgtable.h index 44e7aedac6e8..90e7a9539102 100644 --- a/arch/alpha/include/asm/pgtable.h +++ b/arch/alpha/include/asm/pgtable.h @@ -107,7 +107,7 @@ struct vm_area_struct; #define _PAGE_NORMAL(x) __pgprot(_PAGE_VALID | __ACCESS_BITS | (x)) -#define _PAGE_P(x) _PAGE_NORMAL((x) | (((x) & _PAGE_FOW)?0:_PAGE_FOW)) +#define _PAGE_P(x) _PAGE_NORMAL((x) | _PAGE_FOW) #define _PAGE_S(x) _PAGE_NORMAL(x) /* @@ -126,34 +126,11 @@ struct vm_area_struct; #define pgprot_noncached(prot) (prot) /* - * BAD_PAGETABLE is used when we need a bogus page-table, while - * BAD_PAGE is used for a bogus page. - * * ZERO_PAGE is a global shared page that is always zero: used * for zero-mapped memory areas etc.. */ -extern pte_t __bad_page(void); -extern pmd_t * __bad_pagetable(void); - -extern unsigned long __zero_page(void); - -#define BAD_PAGETABLE __bad_pagetable() -#define BAD_PAGE __bad_page() #define ZERO_PAGE(vaddr) (virt_to_page(ZERO_PGE)) -/* number of bits that fit into a memory pointer */ -#define BITS_PER_PTR (8*sizeof(unsigned long)) - -/* to align the pointer to a pointer address */ -#define PTR_MASK (~(sizeof(void*)-1)) - -/* sizeof(void*)==1<<SIZEOF_PTR_LOG2 */ -#define SIZEOF_PTR_LOG2 3 - -/* to find an entry in a page-table */ -#define PAGE_PTR(address) \ - ((unsigned long)(address)>>(PAGE_SHIFT-SIZEOF_PTR_LOG2)&PTR_MASK&~PAGE_MASK) - /* * On certain platforms whose physical address space can overlap KSEG, * namely EV6 and above, we must re-twiddle the physaddr to restore the |