92 	int space = port->buf.mem_limit - atomic_read(&port->buf.mem_used);  in tty_buffer_space_avail()  local
93 	return max(space, 0);  in tty_buffer_space_avail()
306 		int space = __tty_buffer_request_room(port, goal, flags);  in tty_insert_flip_string_fixed_flag()  local
308 		if (unlikely(space == 0))  in tty_insert_flip_string_fixed_flag()
310 		memcpy(char_buf_ptr(tb, tb->used), chars, space);  in tty_insert_flip_string_fixed_flag()
312 			memset(flag_buf_ptr(tb, tb->used), flag, space);  in tty_insert_flip_string_fixed_flag()
313 		tb->used += space;  in tty_insert_flip_string_fixed_flag()
314 		copied += space;  in tty_insert_flip_string_fixed_flag()
315 		chars += space;  in tty_insert_flip_string_fixed_flag()
341 		int space = tty_buffer_request_room(port, goal);  in tty_insert_flip_string_flags()  local
343 		if (unlikely(space == 0))  in tty_insert_flip_string_flags()
345 		memcpy(char_buf_ptr(tb, tb->used), chars, space);  in tty_insert_flip_string_flags()
346 		memcpy(flag_buf_ptr(tb, tb->used), flags, space);  in tty_insert_flip_string_flags()
347 		tb->used += space;  in tty_insert_flip_string_flags()
348 		copied += space;  in tty_insert_flip_string_flags()
349 		chars += space;  in tty_insert_flip_string_flags()
350 		flags += space;  in tty_insert_flip_string_flags()
392 	int space = __tty_buffer_request_room(port, size, TTYB_NORMAL);  in tty_prepare_flip_string()  local
393 	if (likely(space)) {  in tty_prepare_flip_string()
397 			memset(flag_buf_ptr(tb, tb->used), TTY_NORMAL, space);  in tty_prepare_flip_string()
398 		tb->used += space;  in tty_prepare_flip_string()
400 	return space;  in tty_prepare_flip_string()