527 		pte_t pteval = ptep_get(_pte);  in release_pte_pages()  local
530 		if (pte_none(pteval))  in release_pte_pages()
532 		pfn = pte_pfn(pteval);  in release_pte_pages()
574 		pte_t pteval = ptep_get(_pte);  in __collapse_huge_page_isolate()  local
575 		if (pte_none(pteval) || (pte_present(pteval) &&  in __collapse_huge_page_isolate()
576 				is_zero_pfn(pte_pfn(pteval)))) {  in __collapse_huge_page_isolate()
588 		if (!pte_present(pteval)) {  in __collapse_huge_page_isolate()
592 		if (pte_uffd_wp(pteval)) {  in __collapse_huge_page_isolate()
596 		page = vm_normal_page(vma, address, pteval);  in __collapse_huge_page_isolate()
680 		    (pte_young(pteval) || folio_test_young(folio) ||  in __collapse_huge_page_isolate()
685 		if (pte_write(pteval))  in __collapse_huge_page_isolate()
714 	pte_t pteval;  in __collapse_huge_page_copy_succeeded()  local
718 		pteval = ptep_get(_pte);  in __collapse_huge_page_copy_succeeded()
719 		if (pte_none(pteval) || is_zero_pfn(pte_pfn(pteval))) {  in __collapse_huge_page_copy_succeeded()
721 			if (is_zero_pfn(pte_pfn(pteval))) {  in __collapse_huge_page_copy_succeeded()
728 				ksm_might_unmap_zero_page(vma->vm_mm, pteval);  in __collapse_huge_page_copy_succeeded()
731 			struct page *src_page = pte_page(pteval);  in __collapse_huge_page_copy_succeeded()
810 		pte_t pteval = ptep_get(pte + i);  in __collapse_huge_page_copy()  local
815 		if (pte_none(pteval) || is_zero_pfn(pte_pfn(pteval))) {  in __collapse_huge_page_copy()
819 		src_page = pte_page(pteval);  in __collapse_huge_page_copy()
1287 		pte_t pteval = ptep_get(_pte);  in hpage_collapse_scan_pmd()  local
1288 		if (is_swap_pte(pteval)) {  in hpage_collapse_scan_pmd()
1297 				if (pte_swp_uffd_wp_any(pteval)) {  in hpage_collapse_scan_pmd()
1308 		if (pte_none(pteval) || is_zero_pfn(pte_pfn(pteval))) {  in hpage_collapse_scan_pmd()
1320 		if (pte_uffd_wp(pteval)) {  in hpage_collapse_scan_pmd()
1333 		if (pte_write(pteval))  in hpage_collapse_scan_pmd()
1336 		page = vm_normal_page(vma, _address, pteval);  in hpage_collapse_scan_pmd()
1405 		    (pte_young(pteval) || folio_test_young(folio) ||  in hpage_collapse_scan_pmd()