GNU/Linux kernel 6.1 (2022-12-11)

• https://kernelnewbies.org/Linux_6.1

Summary

This release includes:

• initial support for the Rust programming language;

• an optional MGLRU memory management algorithm that provides better memory management performance;

• a kernel memory sanitizer for improved memory safety debugging;

• memory tiering improvements;

• allow processes to voluntary collapse memory into a transparent hugepage;

• new BPF features such as a panic helper;

• better Btrfs performance overall;

• a Maple tree data structure with better algorithmic properties than red-black trees;

• support for per-cgroup Pressure Stall Information and a new IRQ/SoftIRQ PSI indicator.

As always, there are many other features, new drivers, improvements and fixes.