1680 	XA_STATE_ORDER(xas, &mapping->i_pages, start, HPAGE_PMD_ORDER);  in collapse_file()
1704 		xas_lock_irq(&xas);  in collapse_file()
1705 		xas_create_range(&xas);  in collapse_file()
1706 		if (!xas_error(&xas))  in collapse_file()
1708 		xas_unlock_irq(&xas);  in collapse_file()
1709 		if (!xas_nomem(&xas, GFP_KERNEL)) {  in collapse_file()
1727 	xas_set(&xas, start);  in collapse_file()
1729 		struct page *page = xas_next(&xas);  in collapse_file()
1731 		VM_BUG_ON(index != xas.xa_index);  in collapse_file()
1740 					if (!xas_next_entry(&xas, end - 1)) {  in collapse_file()
1744 					xas_set(&xas, index);  in collapse_file()
1750 				xas_store(&xas, new_page);  in collapse_file()
1756 				xas_unlock_irq(&xas);  in collapse_file()
1765 				xas_unlock_irq(&xas);  in collapse_file()
1772 				xas_unlock_irq(&xas);  in collapse_file()
1797 				xas_unlock_irq(&xas);  in collapse_file()
1802 				xas_unlock_irq(&xas);  in collapse_file()
1807 				xas_unlock_irq(&xas);  in collapse_file()
1866 		xas_lock_irq(&xas);  in collapse_file()
1867 		xas_set(&xas, index);  in collapse_file()
1869 		VM_BUG_ON_PAGE(page != xas_load(&xas), page);  in collapse_file()
1880 			xas_unlock_irq(&xas);  in collapse_file()
1892 		xas_store(&xas, new_page);  in collapse_file()
1914 	xas_unlock_irq(&xas);  in collapse_file()
1963 		xas_lock_irq(&xas);  in collapse_file()
1969 		xas_set(&xas, start);  in collapse_file()
1970 		xas_for_each(&xas, page, end - 1) {  in collapse_file()
1973 			if (!page || xas.xa_index < page->index) {  in collapse_file()
1978 				xas_store(&xas, NULL);  in collapse_file()
1982 			VM_BUG_ON_PAGE(page->index != xas.xa_index, page);  in collapse_file()
1987 			xas_store(&xas, page);  in collapse_file()
1988 			xas_pause(&xas);  in collapse_file()
1989 			xas_unlock_irq(&xas);  in collapse_file()
1992 			xas_lock_irq(&xas);  in collapse_file()
1995 		xas_unlock_irq(&xas);  in collapse_file()
2013 	XA_STATE(xas, &mapping->i_pages, start);  in khugepaged_scan_file()
2022 	xas_for_each(&xas, page, start + HPAGE_PMD_NR - 1) {  in khugepaged_scan_file()
2023 		if (xas_retry(&xas, page))  in khugepaged_scan_file()
2066 			xas_pause(&xas);  in khugepaged_scan_file()