Also new is initial Rust support for the LoongArch architecture, a UFFDIO_MOVE uABI operation to allow pages to be moved within a virtual address space while avoiding page allocation and memcpy done by UFFDIO_COPY, the KSM advisor feature to automatically manage the kernel samepage merging subsystem, support for the SMB file system to create block and character special files, and Rust support for creating network PHY drivers.