>vmsplice is more of a mini shared memory mechanism between two processes Doesn't seem to be the case, as it only supports zero-copy from user-memory to the pi

>vmsplice is more of a mini shared memory mechanism between two processes Doesn't seem to be the case, as it only supports zero-copy from user-memory to the pipe. The other way around results in a copy - see https://mazzo.li/posts/fast-pipes.html#fn10 https://mazzo.li/posts/fast-pipes.html#fn10