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BPF is, famously, not part of the kernel's promises of user-space stability. New kernels can and do break existing BPF programs; the BPF developers try to fix unintentional regressions as they happen, but the whole thing can be something of a bumpy ...
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Andrew Morton, the lead maintainer for the kernel's memory-management subsystem, tends to be quiet during the Linux Storage, Filesystem, Memory-Management, and BPF Summit, preferring to let the developers work things out on their own. That changes,
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Linus has released 6.15-rc2 for testing. "Nothing particularly stands out to me, but it's early in the release yet, so let's see how it goes."
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Knowing how frequently accessed a page of memory is (its "hotness") is a key input to many memory-management heuristics. Jonathan Cameron, in a memory-management track at the 2025 Linux Storage, Filesystem, Memory-Management, and BPF Summit, pointed ...
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Eduard Zingerman presented a daring proposal that "makes sense if you think about it a bit" at the 2025 Linux Storage, Filesystem, Memory-Management, and BPF Summit. He wants to inline performance-sensitive kernel functions into the BPF programs that ...
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Building on the discussion in the two previous sessions on untorn (or atomic) writes, for buffered I/O and for XFS using direct I/O, Ojaswin Mujoo remotely led a session on support for the feature on ext4. That took place in the combined storage and ...
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Over on the Red Hat Developer site, David Malcolm has an article about improvements in GCC 15, specifically focusing on the diagnostic information that the compiler emits. This includes ASCII art with a "" warning emoji to display the execution path ...
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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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