96 	int space = port->buf.mem_limit - atomic_read(&port->buf.mem_used);  in tty_buffer_space_avail()  local
98 	return max(space, 0);  in tty_buffer_space_avail()
327 		int space = __tty_buffer_request_room(port, goal, flags);  in tty_insert_flip_string_fixed_flag()  local
330 		if (unlikely(space == 0))  in tty_insert_flip_string_fixed_flag()
332 		memcpy(char_buf_ptr(tb, tb->used), chars, space);  in tty_insert_flip_string_fixed_flag()
334 			memset(flag_buf_ptr(tb, tb->used), flag, space);  in tty_insert_flip_string_fixed_flag()
335 		tb->used += space;  in tty_insert_flip_string_fixed_flag()
336 		copied += space;  in tty_insert_flip_string_fixed_flag()
337 		chars += space;  in tty_insert_flip_string_fixed_flag()
365 		int space = tty_buffer_request_room(port, goal);  in tty_insert_flip_string_flags()  local
368 		if (unlikely(space == 0))  in tty_insert_flip_string_flags()
370 		memcpy(char_buf_ptr(tb, tb->used), chars, space);  in tty_insert_flip_string_flags()
371 		memcpy(flag_buf_ptr(tb, tb->used), flags, space);  in tty_insert_flip_string_flags()
372 		tb->used += space;  in tty_insert_flip_string_flags()
373 		copied += space;  in tty_insert_flip_string_flags()
374 		chars += space;  in tty_insert_flip_string_flags()
375 		flags += space;  in tty_insert_flip_string_flags()
427 	int space = __tty_buffer_request_room(port, size, TTYB_NORMAL);  in tty_prepare_flip_string()  local
429 	if (likely(space)) {  in tty_prepare_flip_string()
434 			memset(flag_buf_ptr(tb, tb->used), TTY_NORMAL, space);  in tty_prepare_flip_string()
435 		tb->used += space;  in tty_prepare_flip_string()
437 	return space;  in tty_prepare_flip_string()