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LWN.net

[$] Removing read-only transparent huge pages for the page cache

Things do not always go the way kernel developers think they will. When the kernel gained support for the creation of read-only transparent huge pages for the page cache in 2019, the developer of that feature, Song Liu, added a Kconfig file entry promising that support for writable huge pages would arrive "in the next few release cycles". Over six years later, that promise is still present, but it will never be fulfilled. Instead, the read-only option will soon be removed, reflecting how the core of the memory-subsystem has changed underneath this particular feature.

LWN.net

Security updates for Friday

Security updates have been issued by AlmaLinux (container-tools:rhel8, fontforge, freerdp, go-toolset:rhel8, gstreamer1-plugins-bad-free, gstreamer1-plugins-base, and gstreamer1-plugins-good, kernel, kernel-rt, libtasn1, mariadb:10.11, mysql:8.4, nginx:1.24, openssh, pcs, python-jinja2, python3.9, ruby:3.1, vim, virt:rhel and virt-devel:rhel, and xmlrpc-c), Debian (libyaml-syck-perl and openssh), Fedora (cockpit, crun, dnsdist, doctl, fido-device-onboard, libcgif, libpng12, libpng15, mbedtls, opensc, and util-linux), Red Hat (git-lfs, go-toolset:rhel8, grafana, grafana-pcp, and rhc), Slackware (libpng), SUSE (389-ds, aws-c-event-stream, bind, cockpit, cockpit-repos, corepack24, dcmtk, dnsdist, docker-compose, expat, firefox, firefox-esr, gnome-online-accounts, gvfs, gnutls, jupyter-jupyterlab-templates, kea, libIex-3_4-33, libpng16, mapserver, perl-XML-Parser, postgresql13, postgresql16, python-Pillow, python311-lupa, thunderbird, tigervnc, and tomcat10), and Ubuntu (linux-azure-fips,

Phoronix

Firefox 149 vs. Chrome 147 Web Browser Performance On Linux

It has been a while since featuring a showdown of the Mozilla Firefox and Google Chrome web browsers on Linux. With some fresh benchmarks being overdue plus the new JetStream 3 browser benchmark having been announced last week, here is some fresh data for how these two dominant web browsers are competing on the modern Linux desktop from an Intel Panther Lake system running Ubuntu 26.04.

LPI

What Everybody Knows About You: Conclusion

I hope this series has given a sense of how the data mosaic works: how small and innocent-looking details about you can be combined to uncover sensitive information. Data collection will only improve over time. Theoretically, you can be identified ... Read more The post What Everybody Knows About You: Conclusion appeared first on Linux Professional Institute (LPI).

Phoronix

Linux 2026 "Spring Cleaning" To Address Some Code Remnants As Far Back As Linux v0.1

A big kernel patch series was posted today by longtime Linux developer Thomas Gleixner. The set of 38 patches amount to some big time "spring cleaning" with addressing some code remnants still around that originated back in the very early Linux v0.1 kernel while some other code being cleaned up dates back to the Linux 1.3~2.1 kernel series from the 90's...

Phoronix

Bitland WMI Laptop Driver Slated For Linux 7.1

Bitland, the Chinese OEM that manufactured systems for Lenovo and other companies until being added to the US Entity List due to being accused of using Uyghur forced labor, is expected to see a WMI driver added to the Linux 7.1 kernel for better supporting Bitland laptops...