DAXFS Debuts as Zero-Copy, Memory-Sharing Linux File System
DAXFS was announced as a new read-only Linux file system that uses the kernel's DAX (direct access) to map contiguous memory or dma-buf without involving the page cache or block I/O, enabling zero-copy reads and potential shared memory across containers and hardware accelerators; development by Multikernel.io aims at multi-kernel setups, CXL memory pooling, and simple, read-only image formats, with upstream integration still under consideration and a GitHub repository available.