130 static void alloc_init_pmd(struct mm_struct *mm, pud_t *pud,  in alloc_init_pmd()  argument
141 	if (pud_none(*pud) || pud_sect(*pud)) {  in alloc_init_pmd()
143 		if (pud_sect(*pud)) {  in alloc_init_pmd()
148 			split_pud(pud, pmd);  in alloc_init_pmd()
150 		pud_populate(mm, pud, pmd);  in alloc_init_pmd()
153 	BUG_ON(pud_bad(*pud));  in alloc_init_pmd()
155 	pmd = pmd_offset(pud, addr);  in alloc_init_pmd()
200 	pud_t *pud;  in alloc_init_pud()  local
204 		pud = alloc(PTRS_PER_PUD * sizeof(pud_t));  in alloc_init_pud()
205 		pgd_populate(mm, pgd, pud);  in alloc_init_pud()
209 	pud = pud_offset(pgd, addr);  in alloc_init_pud()
217 			pud_t old_pud = *pud;  in alloc_init_pud()
218 			set_pud(pud, __pud(phys |  in alloc_init_pud()
237 			alloc_init_pmd(mm, pud, addr, next, phys, prot, alloc);  in alloc_init_pud()
240 	} while (pud++, addr = next, addr != end);  in alloc_init_pud()
477 	pud_t *pud;  in kern_addr_valid()  local
488 	pud = pud_offset(pgd, addr);  in kern_addr_valid()
489 	if (pud_none(*pud))  in kern_addr_valid()
492 	if (pud_sect(*pud))  in kern_addr_valid()
493 		return pfn_valid(pud_pfn(*pud));  in kern_addr_valid()
495 	pmd = pmd_offset(pud, addr);  in kern_addr_valid()
520 	pud_t *pud;  in vmemmap_populate()  local
530 		pud = vmemmap_pud_populate(pgd, addr, node);  in vmemmap_populate()
531 		if (!pud)  in vmemmap_populate()
534 		pmd = pmd_offset(pud, addr);  in vmemmap_populate()
574 	pud_t *pud = fixmap_pud(addr);  in fixmap_pmd()  local
576 	BUG_ON(pud_none(*pud) || pud_bad(*pud));  in fixmap_pmd()
578 	return pmd_offset(pud, addr);  in fixmap_pmd()
593 	pud_t *pud;  in early_fixmap_init()  local
599 	pud = pud_offset(pgd, addr);  in early_fixmap_init()
600 	pud_populate(&init_mm, pud, bm_pmd);  in early_fixmap_init()
601 	pmd = pmd_offset(pud, addr);  in early_fixmap_init()