175 		pmd_t *pmd = (pmd_t *) spp_getpage();  in fill_pmd()  local
176 		pud_populate(&init_mm, pud, pmd);  in fill_pmd()
177 		if (pmd != pmd_offset(pud, 0))  in fill_pmd()
179 			       pmd, pmd_offset(pud, 0));  in fill_pmd()
184 static pte_t *fill_pte(pmd_t *pmd, unsigned long vaddr)  in fill_pte()  argument
186 	if (pmd_none(*pmd)) {  in fill_pte()
188 		pmd_populate_kernel(&init_mm, pmd, pte);  in fill_pte()
189 		if (pte != pte_offset_kernel(pmd, 0))  in fill_pte()
192 	return pte_offset_kernel(pmd, vaddr);  in fill_pte()
198 	pmd_t *pmd;  in set_pte_vaddr_pud()  local
202 	pmd = fill_pmd(pud, vaddr);  in set_pte_vaddr_pud()
203 	pte = fill_pte(pmd, vaddr);  in set_pte_vaddr_pud()
243 	pmd_t *pmd;  in populate_extra_pte()  local
245 	pmd = populate_extra_pmd(vaddr);  in populate_extra_pte()
246 	return fill_pte(pmd, vaddr);  in populate_extra_pte()
257 	pmd_t *pmd;  in __init_extra_mapping()  local
269 			pmd = (pmd_t *) spp_getpage();  in __init_extra_mapping()
270 			set_pud(pud, __pud(__pa(pmd) | _KERNPG_TABLE |  in __init_extra_mapping()
273 		pmd = pmd_offset(pud, phys);  in __init_extra_mapping()
274 		BUG_ON(!pmd_none(*pmd));  in __init_extra_mapping()
275 		set_pmd(pmd, __pmd(phys | pgprot_val(prot)));  in __init_extra_mapping()
307 	pmd_t *pmd = level2_kernel_pgt;  in cleanup_highmap()  local
309 	for (; vaddr + PMD_SIZE - 1 < vaddr_end; pmd++, vaddr += PMD_SIZE) {  in cleanup_highmap()
310 		if (pmd_none(*pmd))  in cleanup_highmap()
313 			set_pmd(pmd, __pmd(0));  in cleanup_highmap()
417 		pmd_t *pmd = pmd_page + pmd_index(address);  in phys_pmd_init()  local
423 				for (; i < PTRS_PER_PMD; i++, pmd++)  in phys_pmd_init()
424 					set_pmd(pmd, __pmd(0));  in phys_pmd_init()
429 		if (pmd_val(*pmd)) {  in phys_pmd_init()
430 			if (!pmd_large(*pmd)) {  in phys_pmd_init()
432 				pte = map_low_page((pte_t *)pmd_page_vaddr(*pmd));  in phys_pmd_init()
455 			new_prot = pte_pgprot(pte_clrhuge(*(pte_t *)pmd));  in phys_pmd_init()
461 			set_pte((pte_t *)pmd,  in phys_pmd_init()
474 		pmd_populate_kernel(&init_mm, pmd, __va(pte_phys));  in phys_pmd_init()
492 		pmd_t *pmd;  in phys_pud_init()  local
506 				pmd = map_low_page(pmd_offset(pud, 0));  in phys_pud_init()
507 				last_map_addr = phys_pmd_init(pmd, addr, end,  in phys_pud_init()
509 				unmap_low_page(pmd);  in phys_pud_init()
542 		pmd = alloc_low_page(&pmd_phys);  in phys_pud_init()
543 		last_map_addr = phys_pmd_init(pmd, addr, end, page_size_mask,  in phys_pud_init()
545 		unmap_low_page(pmd);  in phys_pud_init()
810 	pmd_t *pmd;  in kern_addr_valid()  local
827 	pmd = pmd_offset(pud, addr);  in kern_addr_valid()
828 	if (pmd_none(*pmd))  in kern_addr_valid()
831 	if (pmd_large(*pmd))  in kern_addr_valid()
832 		return pfn_valid(pmd_pfn(*pmd));  in kern_addr_valid()
834 	pte = pte_offset_kernel(pmd, addr);  in kern_addr_valid()
918 	pmd_t *pmd;  in vmemmap_populate()  local
933 			pmd = vmemmap_pmd_populate(pud, addr, node);  in vmemmap_populate()
935 			if (!pmd)  in vmemmap_populate()
938 			p = vmemmap_pte_populate(pmd, addr, node);  in vmemmap_populate()
948 			pmd = pmd_offset(pud, addr);  in vmemmap_populate()
949 			if (pmd_none(*pmd)) {  in vmemmap_populate()
958 				set_pmd(pmd, __pmd(pte_val(entry)));  in vmemmap_populate()
973 				vmemmap_verify((pte_t *)pmd, node, addr, next);  in vmemmap_populate()