How to build the kernel faster?

[rnhmjoj]

See this:

Kernel build uses more than 16 GB of space

The default kernel configuration in NixOS is insanely bloated, don’t even try to compile it unless you have some server as a dedicated build farm. It can easily take hours to build on a desktop, even if you manage to get enough disk and memory to do it. So, you can’t simply add your patch to boot.kernelPatches and call it a day, but there is a way around. You can generate a kernel configuration that enables only the modules you really need by looking at what is currently loaded: you have to run…