93 	int space = port->buf.mem_limit - atomic_read(&port->buf.mem_used);  in tty_buffer_space_avail()  local
94 	return max(space, 0);  in tty_buffer_space_avail()
319 		int space = __tty_buffer_request_room(port, goal, flags);  in tty_insert_flip_string_fixed_flag()  local
321 		if (unlikely(space == 0))  in tty_insert_flip_string_fixed_flag()
323 		memcpy(char_buf_ptr(tb, tb->used), chars, space);  in tty_insert_flip_string_fixed_flag()
325 			memset(flag_buf_ptr(tb, tb->used), flag, space);  in tty_insert_flip_string_fixed_flag()
326 		tb->used += space;  in tty_insert_flip_string_fixed_flag()
327 		copied += space;  in tty_insert_flip_string_fixed_flag()
328 		chars += space;  in tty_insert_flip_string_fixed_flag()
354 		int space = tty_buffer_request_room(port, goal);  in tty_insert_flip_string_flags()  local
356 		if (unlikely(space == 0))  in tty_insert_flip_string_flags()
358 		memcpy(char_buf_ptr(tb, tb->used), chars, space);  in tty_insert_flip_string_flags()
359 		memcpy(flag_buf_ptr(tb, tb->used), flags, space);  in tty_insert_flip_string_flags()
360 		tb->used += space;  in tty_insert_flip_string_flags()
361 		copied += space;  in tty_insert_flip_string_flags()
362 		chars += space;  in tty_insert_flip_string_flags()
363 		flags += space;  in tty_insert_flip_string_flags()
413 	int space = __tty_buffer_request_room(port, size, TTYB_NORMAL);  in tty_prepare_flip_string()  local
414 	if (likely(space)) {  in tty_prepare_flip_string()
418 			memset(flag_buf_ptr(tb, tb->used), TTY_NORMAL, space);  in tty_prepare_flip_string()
419 		tb->used += space;  in tty_prepare_flip_string()
421 	return space;  in tty_prepare_flip_string()