[$] A process for handling Rust code in the core kernel

The 2024 Linux Storage, Filesystem, Memory-Management, and BPF Summitincluded a tense session on the use of Rustcode in the kernel's filesystem layer. The Rust topic returned in 2025 ina session run by Andreas Hindborg, with a scope that also covered thestorage and memory-management layers. A lot of progress has been made, andthe discussion was less adversarial this year, but there are still processissues that need to be worked out.