https://medium.com/coinmonks/make-linux-kernel-better-beginners-guide-to-writing-your-first-linux-patch-1125e4891e0d

If you are a Linux enthusiasts who knows who to use the basic command line tools (vim , git , etc), knows or understand programming fundamentals, and interested in making Linux better you come to the right place.

Surprisingly with the rise of Linux and the wide adoption of the technology on the phones, network equipment , satellite systems and even cars; there is not that much handful of people actively supporting the kernel and patching it. Today , I hope you will be one of them.