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()
312 		int space = __tty_buffer_request_room(port, goal, flags);  in tty_insert_flip_string_fixed_flag()  local
314 		if (unlikely(space == 0))  in tty_insert_flip_string_fixed_flag()
316 		memcpy(char_buf_ptr(tb, tb->used), chars, space);  in tty_insert_flip_string_fixed_flag()
318 			memset(flag_buf_ptr(tb, tb->used), flag, space);  in tty_insert_flip_string_fixed_flag()
319 		tb->used += space;  in tty_insert_flip_string_fixed_flag()
320 		copied += space;  in tty_insert_flip_string_fixed_flag()
321 		chars += space;  in tty_insert_flip_string_fixed_flag()
347 		int space = tty_buffer_request_room(port, goal);  in tty_insert_flip_string_flags()  local
349 		if (unlikely(space == 0))  in tty_insert_flip_string_flags()
351 		memcpy(char_buf_ptr(tb, tb->used), chars, space);  in tty_insert_flip_string_flags()
352 		memcpy(flag_buf_ptr(tb, tb->used), flags, space);  in tty_insert_flip_string_flags()
353 		tb->used += space;  in tty_insert_flip_string_flags()
354 		copied += space;  in tty_insert_flip_string_flags()
355 		chars += space;  in tty_insert_flip_string_flags()
356 		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
428 	if (likely(space)) {  in tty_prepare_flip_string()
432 			memset(flag_buf_ptr(tb, tb->used), TTY_NORMAL, space);  in tty_prepare_flip_string()
433 		tb->used += space;  in tty_prepare_flip_string()
435 	return space;  in tty_prepare_flip_string()