Amazon phasing out Fire Tablets
Amazon is discontinuing Fire Tablets because they did not meet customer expectations. The company plans to announce new hardware products, but not a new Amazon laptop. (theverge.com)
XMFS: New Linux Filesystem by Xiaomi
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XMFS is a new Linux filesystem that exposes remote, directly addressable memory across nodes as a POSIX-compatible shared-memory storage tier. It was presented as "XMFS: A Cross-Node Express Memory File System" by Yifan Qiao at Linux Plumbers Conference 2026. The work responds to emerging memory-semantic interconnects such as CXL 3.0 and Huawei United Bus, which make remote memory appear like local addressable DRAM; XMFS argues that Linux should treat this cross-node memory as another storage tier and provides a filesystem-level interface to do so.
The presentation outlines the motivation and design space for POSIX-based shared memory over device-backed cross-node memory, situating XMFS in the Device and Specific Purpose Memory microconference. It covers the implications for kernel integration and application access models, and addresses the practical specifics that matter for adoption: presenting remote memory as files or mappings, maintaining POSIX semantics, handling device characteristics and topology, and fitting into existing Linux storage and memory stacks. The talk focuses on how XMFS makes cross-node memory usable by standard Linux software and what architectural trade-offs and engineering challenges that entails.
Summary generated by AI from the linked article. hn.today is not affiliated with Hacker News or Y Combinator.
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