653 	pte_t *pte;  in __page_check_address()  local
658 		pte = huge_pte_offset(mm, address);  in __page_check_address()
659 		if (!pte)  in __page_check_address()
662 		ptl = huge_pte_lockptr(page_hstate(page), mm, pte);  in __page_check_address()
670 	pte = pte_offset_map(pmd, address);  in __page_check_address()
672 	if (!sync && !pte_present(*pte)) {  in __page_check_address()
673 		pte_unmap(pte);  in __page_check_address()
680 	if (pte_present(*pte) && page_to_pfn(page) == pte_pfn(*pte)) {  in __page_check_address()
682 		return pte;  in __page_check_address()
684 	pte_unmap_unlock(pte, ptl);  in __page_check_address()
700 	pte_t *pte;  in page_mapped_in_vma()  local
706 	pte = page_check_address(page, vma->vm_mm, address, &ptl, 1);  in page_mapped_in_vma()
707 	if (!pte)			/* the page is not in this mm */  in page_mapped_in_vma()
709 	pte_unmap_unlock(pte, ptl);  in page_mapped_in_vma()
754 		pte_t *pte;  in page_referenced_one()  local
760 		pte = page_check_address(page, mm, address, &ptl, 0);  in page_referenced_one()
761 		if (!pte)  in page_referenced_one()
765 			pte_unmap_unlock(pte, ptl);  in page_referenced_one()
770 		if (ptep_clear_flush_young_notify(vma, address, pte)) {  in page_referenced_one()
781 		pte_unmap_unlock(pte, ptl);  in page_referenced_one()
869 	pte_t *pte;  in page_mkclean_one()  local
874 	pte = page_check_address(page, mm, address, &ptl, 1);  in page_mkclean_one()
875 	if (!pte)  in page_mkclean_one()
878 	if (pte_dirty(*pte) || pte_write(*pte)) {  in page_mkclean_one()
881 		flush_cache_page(vma, address, pte_pfn(*pte));  in page_mkclean_one()
882 		entry = ptep_clear_flush(vma, address, pte);  in page_mkclean_one()
885 		set_pte_at(mm, address, pte, entry);  in page_mkclean_one()
889 	pte_unmap_unlock(pte, ptl);  in page_mkclean_one()
1185 	pte_t *pte;  in try_to_unmap_one()  local
1191 	pte = page_check_address(page, mm, address, &ptl, 0);  in try_to_unmap_one()
1192 	if (!pte)  in try_to_unmap_one()
1208 		if (ptep_clear_flush_young_notify(vma, address, pte)) {  in try_to_unmap_one()
1216 	pteval = ptep_clear_flush(vma, address, pte);  in try_to_unmap_one()
1232 		set_pte_at(mm, address, pte,  in try_to_unmap_one()
1254 				set_pte_at(mm, address, pte, pteval);  in try_to_unmap_one()
1278 		set_pte_at(mm, address, pte, swp_pte);  in try_to_unmap_one()
1284 		set_pte_at(mm, address, pte, swp_entry_to_pte(entry));  in try_to_unmap_one()
1292 	pte_unmap_unlock(pte, ptl);  in try_to_unmap_one()
1299 	pte_unmap_unlock(pte, ptl);  in try_to_unmap_one()