537 	unsigned long res = 0;  in iov_iter_alignment()  local
544 		(res |= (unsigned long)v.iov_base | v.iov_len, 0),  in iov_iter_alignment()
545 		res |= v.bv_offset | v.bv_len,  in iov_iter_alignment()
546 		res |= (unsigned long)v.iov_base | v.iov_len  in iov_iter_alignment()
548 	return res;  in iov_iter_alignment()
566 		int res;  in iov_iter_get_pages()
572 		res = get_user_pages_fast(addr, n, (i->type & WRITE) != WRITE, pages);  in iov_iter_get_pages()
573 		if (unlikely(res < 0))  in iov_iter_get_pages()
574 			return res;  in iov_iter_get_pages()
575 		return (res == n ? len : res * PAGE_SIZE) - *start;  in iov_iter_get_pages()
613 		int res;  in iov_iter_get_pages_alloc()
620 		res = get_user_pages_fast(addr, n, (i->type & WRITE) != WRITE, p);  in iov_iter_get_pages_alloc()
621 		if (unlikely(res < 0)) {  in iov_iter_get_pages_alloc()
623 			return res;  in iov_iter_get_pages_alloc()
626 		return (res == n ? len : res * PAGE_SIZE) - *start;  in iov_iter_get_pages_alloc()