759 	pte_t *pte;  in __page_check_address()  local
764 		pte = huge_pte_offset(mm, address);  in __page_check_address()
765 		if (!pte)  in __page_check_address()
768 		ptl = huge_pte_lockptr(page_hstate(page), mm, pte);  in __page_check_address()
776 	pte = pte_offset_map(pmd, address);  in __page_check_address()
778 	if (!sync && !pte_present(*pte)) {  in __page_check_address()
779 		pte_unmap(pte);  in __page_check_address()
786 	if (pte_present(*pte) && page_to_pfn(page) == pte_pfn(*pte)) {  in __page_check_address()
788 		return pte;  in __page_check_address()
790 	pte_unmap_unlock(pte, ptl);  in __page_check_address()
806 	pte_t *pte;  in page_mapped_in_vma()  local
812 	pte = page_check_address(page, vma->vm_mm, address, &ptl, 1);  in page_mapped_in_vma()
813 	if (!pte)			/* the page is not in this mm */  in page_mapped_in_vma()
815 	pte_unmap_unlock(pte, ptl);  in page_mapped_in_vma()
860 		pte_t *pte;  in page_referenced_one()  local
866 		pte = page_check_address(page, mm, address, &ptl, 0);  in page_referenced_one()
867 		if (!pte)  in page_referenced_one()
871 			pte_unmap_unlock(pte, ptl);  in page_referenced_one()
876 		if (ptep_clear_flush_young_notify(vma, address, pte)) {  in page_referenced_one()
887 		pte_unmap_unlock(pte, ptl);  in page_referenced_one()
980 	pte_t *pte;  in page_mkclean_one()  local
985 	pte = page_check_address(page, mm, address, &ptl, 1);  in page_mkclean_one()
986 	if (!pte)  in page_mkclean_one()
989 	if (pte_dirty(*pte) || pte_write(*pte)) {  in page_mkclean_one()
992 		flush_cache_page(vma, address, pte_pfn(*pte));  in page_mkclean_one()
993 		entry = ptep_clear_flush(vma, address, pte);  in page_mkclean_one()
996 		set_pte_at(mm, address, pte, entry);  in page_mkclean_one()
1000 	pte_unmap_unlock(pte, ptl);  in page_mkclean_one()
1301 	pte_t *pte;  in try_to_unmap_one()  local
1311 	pte = page_check_address(page, mm, address, &ptl, 0);  in try_to_unmap_one()
1312 	if (!pte)  in try_to_unmap_one()
1331 		if (ptep_clear_flush_young_notify(vma, address, pte)) {  in try_to_unmap_one()
1347 		pteval = ptep_get_and_clear(mm, address, pte);  in try_to_unmap_one()
1351 		pteval = ptep_clear_flush(vma, address, pte);  in try_to_unmap_one()
1370 		set_pte_at(mm, address, pte,  in try_to_unmap_one()
1394 		set_pte_at(mm, address, pte, swp_pte);  in try_to_unmap_one()
1404 			set_pte_at(mm, address, pte, pteval);  in try_to_unmap_one()
1419 		set_pte_at(mm, address, pte, swp_pte);  in try_to_unmap_one()
1427 	pte_unmap_unlock(pte, ptl);  in try_to_unmap_one()