562 		pte_t pteval = *_pte;  in release_pte_pages()  local
564 		page = pte_page(pteval);  in release_pte_pages()
565 		if (!pte_none(pteval) && !is_zero_pfn(pte_pfn(pteval)) &&  in release_pte_pages()
599 		pte_t pteval = *_pte;  in __collapse_huge_page_isolate()  local
600 		if (pte_none(pteval) || (pte_present(pteval) &&  in __collapse_huge_page_isolate()
601 				is_zero_pfn(pte_pfn(pteval)))) {  in __collapse_huge_page_isolate()
610 		if (!pte_present(pteval)) {  in __collapse_huge_page_isolate()
614 		page = vm_normal_page(vma, address, pteval);  in __collapse_huge_page_isolate()
669 		if (!pte_write(pteval) && PageSwapCache(page) &&  in __collapse_huge_page_isolate()
699 		if (pte_young(pteval) ||  in __collapse_huge_page_isolate()
704 		if (pte_write(pteval))  in __collapse_huge_page_isolate()
735 		pte_t pteval = *_pte;  in __collapse_huge_page_copy()  local
737 		if (pte_none(pteval) || is_zero_pfn(pte_pfn(pteval))) {  in __collapse_huge_page_copy()
740 			if (is_zero_pfn(pte_pfn(pteval))) {  in __collapse_huge_page_copy()
753 			src_page = pte_page(pteval);  in __collapse_huge_page_copy()
1239 		pte_t pteval = *_pte;  in khugepaged_scan_pmd()  local
1240 		if (is_swap_pte(pteval)) {  in khugepaged_scan_pmd()
1247 				if (pte_swp_uffd_wp(pteval)) {  in khugepaged_scan_pmd()
1257 		if (pte_none(pteval) || is_zero_pfn(pte_pfn(pteval))) {  in khugepaged_scan_pmd()
1266 		if (!pte_present(pteval)) {  in khugepaged_scan_pmd()
1270 		if (pte_uffd_wp(pteval)) {  in khugepaged_scan_pmd()
1283 		if (pte_write(pteval))  in khugepaged_scan_pmd()
1286 		page = vm_normal_page(vma, _address, pteval);  in khugepaged_scan_pmd()
1346 		if (pte_young(pteval) ||  in khugepaged_scan_pmd()