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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 ...

A major page fault occurs when a process attempts to access a page that is not currently present in RAM; satisfying such faults usually involves I/O, and can thus take some time. When many threads sharing an address space are generating page faults,

Security updates have been issued by AlmaLinux (firefox), Debian (chromium, nss, openvpn, and thunderbird), Fedora (cockpit, kernel, and linux-firmware), Oracle (gdk-pixbuf2, kernel, and libsndfile), SUSE (container-suseconnect, cpp-httplib, dnsmasq,

Michael Catanzaro has disclosed a command-injection vulnerability affecting a number of GTK-bas [...]

José Marchesi and the GCC-BPF developers opened the BPF track at the 2026 Linux Storage, Filesystem, Memory-management, and BPF Summit with a 90-minute summary of what has changed for GCC's BPF support in the past year. This kind of session has ...

The OpenBSD 7.9 release is out, right on schedule. There is the usual long list of new feature [...]

Gregory Price started his session in the memory-management track of the 2026 Linux Storage, Filesystem, Memory Management, and BPF Summit by saying that, in current kernels, if a NUMA node has memory, the assumption is that anybody can make use of it ...

Security updates have been issued by AlmaLinux (kernel, kernel-rt, and libsndfile), Debian (bind9, evince, firefox-esr, openjpeg2, pdns, and rsync), Fedora (erlang-cowlib, evince, expat, firefox, kernel, mingw-expat, mysql8.0, mysql8.4, nss,

Inside this week's LWN.net Weekly Edition: Front: OpenSUSE site age restrictions; Lots of LSFMM+BPF coverage; The tenth OpenPGP email summit. Briefs: Firefox 151.0; pgBackRest funding; RIP Peter G. Neumann; Quotes;

"Reclaim" is the task of finding memory that can be taken away from its current user and put to better uses within the system; it is a core part of the memory-management picture. The addition of the multi-generational LRU (MGLRU) was meant to provide ...