Hello! > If you overflow the socket's memory bound, it ends up calling > tcp_clamp_window(). (I'm not sure this is really the right thing to do > here before trying to collapse the queue.) Collapsing is too expensive procedure, it is rather an emergency measure. So, tcp collapses queue, when it is necessary, but it must reduce window as well. Alexey - : send the line "unsubscribe linux-net" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html