There are 2,700 ways to arguably lose a packet within the kernel and 6/10th of 1% are reported to the log. One thing I’ve noticed is that introducing another f

There are 2,700 ways to arguably lose a packet within the kernel and 6/10th of 1% are reported to the log. One thing I’ve noticed is that introducing another function argument can alter tightly written loops and calls (also known as introducing instruction-cache busting). I am quite sure Jen Axboe has something to say about this while he is busy pushing the Linux kernel toward multi-million IO and packet processing throughout.