((pte_t *)page_address(pmd_page(*(dir))) + __pte_offset_t(address))
#define pmd_page(pmd) (pfn_to_page(pmd_phys(pmd) >> PAGE_SHIFT))
#define pte_clear(mm, addr, ptep) set_pte((ptep), \
- (((unsigned int)addr&0x80000000)?__pte(1):__pte(0)))
-#define pte_none(pte) (!(pte_val(pte)&0xfffffffe))
+ (((unsigned int) addr & PAGE_OFFSET) ? __pte(_PAGE_GLOBAL) : __pte(0)))
+#define pte_none(pte) (!(pte_val(pte) & ~_PAGE_GLOBAL))
#define pte_present(pte) (pte_val(pte) & _PAGE_PRESENT)
#define pte_pfn(x) ((unsigned long)((x).pte_low >> PAGE_SHIFT))
#define pfn_pte(pfn, prot) __pte(((unsigned long long)(pfn) << PAGE_SHIFT) \