707 	pud_t *pud;  in follow_pud_mask()  local
712 	pud = pud_offset(p4dp, address);  in follow_pud_mask()
713 	if (pud_none(*pud))  in follow_pud_mask()
715 	if (pud_huge(*pud) && is_vm_hugetlb_page(vma)) {  in follow_pud_mask()
716 		page = follow_huge_pud(mm, address, pud, flags);  in follow_pud_mask()
721 	if (is_hugepd(__hugepd(pud_val(*pud)))) {  in follow_pud_mask()
723 				      __hugepd(pud_val(*pud)), flags,  in follow_pud_mask()
729 	if (pud_devmap(*pud)) {  in follow_pud_mask()
730 		ptl = pud_lock(mm, pud);  in follow_pud_mask()
731 		page = follow_devmap_pud(vma, address, pud, flags, &ctx->pgmap);  in follow_pud_mask()
736 	if (unlikely(pud_bad(*pud)))  in follow_pud_mask()
739 	return follow_pmd_mask(vma, address, pud, flags, ctx);  in follow_pud_mask()
845 	pud_t *pud;  in get_gate_page()  local
862 	pud = pud_offset(p4d, address);  in get_gate_page()
863 	if (pud_none(*pud))  in get_gate_page()
865 	pmd = pmd_offset(pud, address);  in get_gate_page()
2311 static int __gup_device_huge_pud(pud_t pud, pud_t *pudp, unsigned long addr,  in __gup_device_huge_pud()  argument
2501 static int gup_pmd_range(pud_t *pudp, pud_t pud, unsigned long addr, unsigned long end,  in gup_pmd_range()  argument
2507 	pmdp = pmd_offset_lockless(pudp, pud, addr);  in gup_pmd_range()
2552 		pud_t pud = READ_ONCE(*pudp);  in gup_pud_range()  local
2555 		if (unlikely(!pud_present(pud)))  in gup_pud_range()
2557 		if (unlikely(pud_huge(pud) || pud_devmap(pud))) {  in gup_pud_range()
2558 			if (!gup_huge_pud(pud, pudp, addr, next, flags,  in gup_pud_range()
2561 		} else if (unlikely(is_hugepd(__hugepd(pud_val(pud))))) {  in gup_pud_range()
2562 			if (!gup_huge_pd(__hugepd(pud_val(pud)), addr,  in gup_pud_range()
2565 		} else if (!gup_pmd_range(pudp, pud, addr, next, flags, pages, nr))  in gup_pud_range()