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Compute Express Link (CXL) memory is not like the ordinary RAM that one might install into a computer; it can come and go at any time and is often not present when the kernel is booting. That complicates the management of this memory. During the ...
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Compute Express Link (CXL) memory is not like the ordinary RAM that one might install into a computer; it can come and go at any time and is often not present when the kernel is booting. That complicates the management of this memory. During the ...
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Greg Kroah-Hartman has announced the release of eight stable kernels: 6.14.2, 6.13.11, 6.12.23, 6.6.87, 6.1.134, 5.15.180, 5.10.236, and 5.4.292. These all contain a large assortment of important kernel fixes throughout the tree.
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The Data Access MONitor (DAMON) subsystem provides access to detailed memory-management statistics, along with a set of tools for implementing policies based on those statistics. An update on DAMON by its primary author, SeongJae Park, has been a ...
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Inside this week's LWN.net Weekly Edition: Front: Debian project leader election; 6.15 Merge window; Lots of LSFMM coverage; Joplin. Briefs: Firefox hardening; OpenSSH 10.0; Supply chain security; FreeDOS 1.4; OpenSSL 3.5.0; Rust 1.86.0; Quotes;
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Tom Schuster, Frederik Braun, and Christoph Kerschbaumer have published an article on the Firefox Security team's Attack & Defense blog that explains recent work to harden Firefox's frontend code. We have rewritten over 600 JavaScript event handlers ...
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In a combined storage and filesystem track session at the 2025 Linux Storage, Filesystem, Memory Management, and BPF Summit, John Garry continued the theme of "untorn" (or atomic) writes that started in the previous session. It was also an update on ...
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Four candidates have stepped up to run in the 2025 Debian Project Leader (DPL) election. Andreas Tille, who is in his first term as DPL, is running again. Sruthi Chandran, Gianfranco Costamagna, and Julian Andres Klode are the other candidates ...
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The 6.15 merge window saw the inclusion of a new type of lock for BPF programs: a resilient queued spinlock that Kumar Kartikeya Dwivedi has been working on for some time. Eventually, he hopes to convert all of the spinlocks currently used in the BPF ...
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Tiered-memory systems feature multiple types of memory with varying performance characteristics; on such systems, good performance depends on keeping the most frequently used data in the fastest memory. Identifying that data and placing it properly ...
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The kernel samepage merging (KSM) subsystem works by finding pages in memory with the same contents, then replacing the duplicated copies with a single, shared copy. KSM can improve memory utilization in a system, but has some problems as well. In ...
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