Finding real-world kernel subsystems

The kernel development community talks often about subsystems and subsystem maintainers, but it is less than entirely clear about what a "subsystem" is in the first place. People wanting to understand how kernel development works could benefit from a clearer idea of what actually comprises a subsystem within the kernel. In an attempt to better understand how kernel development works, Pia Eichinger and her colleagues spent a lot of time looking for the actual boundaries; Eichinger presented that work at the 2021 linux.conf.au online gathering.

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