307 #define pgd_index(address)	\  argument
308 	(((address) >> PGDIR_SHIFT) & (PTRS_PER_PGD - 1))
310 #define pgd_offset(mm, address)	((mm)->pgd + pgd_index(address))  argument
313 #define pgd_offset_k(address)	pgd_offset(&init_mm, address)  argument
315 #define pmd_index(address)	\  argument
316 	(((address) >> PMD_SHIFT) & (PTRS_PER_PMD - 1))
318 #define pte_index(address)	\  argument
319 	(((address) >> PAGE_SHIFT) & (PTRS_PER_PTE - 1))
320 #define pte_offset_kernel(dir, address)	\  argument
321 	((pte_t *)pmd_page_vaddr(*(dir)) + pte_index(address))
322 #define pte_offset_map(dir, address)	\  argument
323 	((pte_t *)page_address(pmd_page(*(dir))) + pte_index(address))