124 static void alloc_init_pmd(struct mm_struct *mm, pud_t *pud,  in alloc_init_pmd()  argument
135 	if (pud_none(*pud) || pud_sect(*pud)) {  in alloc_init_pmd()
137 		if (pud_sect(*pud)) {  in alloc_init_pmd()
142 			split_pud(pud, pmd);  in alloc_init_pmd()
144 		pud_populate(mm, pud, pmd);  in alloc_init_pmd()
147 	BUG_ON(pud_bad(*pud));  in alloc_init_pmd()
149 	pmd = pmd_offset(pud, addr);  in alloc_init_pmd()
194 	pud_t *pud;  in alloc_init_pud()  local
198 		pud = alloc(PTRS_PER_PUD * sizeof(pud_t));  in alloc_init_pud()
199 		pgd_populate(mm, pgd, pud);  in alloc_init_pud()
203 	pud = pud_offset(pgd, addr);  in alloc_init_pud()
211 			pud_t old_pud = *pud;  in alloc_init_pud()
212 			set_pud(pud, __pud(phys |  in alloc_init_pud()
231 			alloc_init_pmd(mm, pud, addr, next, phys, prot, alloc);  in alloc_init_pud()
234 	} while (pud++, addr = next, addr != end);  in alloc_init_pud()
482 	pud_t *pud;  in kern_addr_valid()  local
493 	pud = pud_offset(pgd, addr);  in kern_addr_valid()
494 	if (pud_none(*pud))  in kern_addr_valid()
497 	if (pud_sect(*pud))  in kern_addr_valid()
498 		return pfn_valid(pud_pfn(*pud));  in kern_addr_valid()
500 	pmd = pmd_offset(pud, addr);  in kern_addr_valid()
525 	pud_t *pud;  in vmemmap_populate()  local
535 		pud = vmemmap_pud_populate(pgd, addr, node);  in vmemmap_populate()
536 		if (!pud)  in vmemmap_populate()
539 		pmd = pmd_offset(pud, addr);  in vmemmap_populate()
579 	pud_t *pud = fixmap_pud(addr);  in fixmap_pmd()  local
581 	BUG_ON(pud_none(*pud) || pud_bad(*pud));  in fixmap_pmd()
583 	return pmd_offset(pud, addr);  in fixmap_pmd()
598 	pud_t *pud;  in early_fixmap_init()  local
604 	pud = pud_offset(pgd, addr);  in early_fixmap_init()
605 	pud_populate(&init_mm, pud, bm_pmd);  in early_fixmap_init()
606 	pmd = pmd_offset(pud, addr);  in early_fixmap_init()