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LWN.net | All | [$] Custom page-cache policies with BPF |
May 23, 2026 6:40 AM * |
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The kernel's page cache is charged with maintaining pages (or, more correctly, folios) containing copies of data from files in the filesystem; its performance has a big effect on the performance of the system as a whole. One of the key decisions the kernel must make is when to evict folios from the page cache. At the 2026 Linux Storage, Filesystem, Memory Management, and BPF Summit, Tal Zussman ran a memory-management-track session on how the page cache could be better customized for specific workloads. It will not be much of a spoiler to say that it involves BPF. https://lwn.net/Articles/1073103/ --- SBBSecho 3.37-Linux * Origin: Palantir * palantirbbs.ddns.net * Pensacola, FL * (618:250/24) |
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