93 	int space = port->buf.mem_limit - atomic_read(&port->buf.mem_used);  in tty_buffer_space_avail()  local
95 	return max(space, 0);  in tty_buffer_space_avail()
321 		int space = __tty_buffer_request_room(port, goal, flags);  in tty_insert_flip_string_fixed_flag()  local
324 		if (unlikely(space == 0))  in tty_insert_flip_string_fixed_flag()
326 		memcpy(char_buf_ptr(tb, tb->used), chars, space);  in tty_insert_flip_string_fixed_flag()
328 			memset(flag_buf_ptr(tb, tb->used), flag, space);  in tty_insert_flip_string_fixed_flag()
329 		tb->used += space;  in tty_insert_flip_string_fixed_flag()
330 		copied += space;  in tty_insert_flip_string_fixed_flag()
331 		chars += space;  in tty_insert_flip_string_fixed_flag()
359 		int space = tty_buffer_request_room(port, goal);  in tty_insert_flip_string_flags()  local
362 		if (unlikely(space == 0))  in tty_insert_flip_string_flags()
364 		memcpy(char_buf_ptr(tb, tb->used), chars, space);  in tty_insert_flip_string_flags()
365 		memcpy(flag_buf_ptr(tb, tb->used), flags, space);  in tty_insert_flip_string_flags()
366 		tb->used += space;  in tty_insert_flip_string_flags()
367 		copied += space;  in tty_insert_flip_string_flags()
368 		chars += space;  in tty_insert_flip_string_flags()
369 		flags += space;  in tty_insert_flip_string_flags()
441 	int space = __tty_buffer_request_room(port, size, TTYB_NORMAL);  in tty_prepare_flip_string()  local
443 	if (likely(space)) {  in tty_prepare_flip_string()
448 			memset(flag_buf_ptr(tb, tb->used), TTY_NORMAL, space);  in tty_prepare_flip_string()
449 		tb->used += space;  in tty_prepare_flip_string()
451 	return space;  in tty_prepare_flip_string()