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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 ...

The OpenPGP Email Summit is an annual meeting for those who work on encrypted email and related topics. The tenth installment of this meeting took place in March 2026 and the minutes have now been published. As usual, a wide range of topics were ...

Version 151.0 of the Firefox browser has been released. Significant changes include the abilit [...]

Many people in the Linux community began using the operating system--and contributing to open source--at a tender age, often well before their 16th birthday. Thus, a recent change in openSUSE's terms of site (ToS) that required users of the project's ...

The kernel's this_cpu operations are meant to speed access to per-CPU variables. They are more optimal on some CPUs than others, though. During a memory-management-track session at the 2026 Linux Storage, Filesystem, Memory Management, and BPF Summit ...

Compute Express Link (CXL) is a technology intended to enable the provision of "memory nodes" in data centers that provide (possibly shared) memory to nearby CPUs. It has, Dan Williams said at the beginning of his memory-management-track session on ...

There are many places in the kernel where performance can be improved by using per-CPU data. But, as it turns out, the kernel's allocator for per-CPU data has some performance problems of its own. Harry Yoo led a session in the memory-management ...

In April, David Steele, maintainer of the popular pgBackRest backup and restore project for Pos [...]

The kernel's swap subsystem is charged with managing anonymous pages in secondary storage when those pages are (hopefully) not being used and the memory they occupy is needed elsewhere. This long-unloved subsystem has seen a resurgence of developer ...