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Monday May 23, 2022. 06:35 PM
The 5.18 kernel was released on May 22 after a nine-week development cycle. That can only mean that the time has come to look at some of the statistics behind this release, which was one of the busiest in a while. Read on for a look at the 5.18 kernel, where the code in this ...
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Systemd 251 is out. The list of changes includes an increase of the minimum kernel version to 4.15, use of C11 to build the program, increased use of filesystem ID mapping, and many other things; see the announcement for all the details.
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Security updates have been issued by Debian (admesh, condor, firefox-esr, libpgjava, libxml2, rsyslog, and thunderbird), Fedora (dotnet6.0, libarchive, php-openpsa-universalfeedcreator, thunderbird, and vim), Mageia (ffmpeg, kernel, kernel-linus, microcode, netatalk,...
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Linus has released the 5.18 kernel. 'No unexpected nasty surprises this last week, so here we go with the 5.18 release right on schedule.' Some of the headline changes in this release include the DAMOS memory-management interface, a number of random-number-generator...
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Friday May 20, 2022. 06:56 PM
For readers who want to follow our article stream on Mastodon, LWN now (finally) has a presence in the Fosstodon community; you can find us at @LWN@fosstodon.org.
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The final session in the memory-management track at the 2022 Linux Storage, Filesystem, Memory-management and BPF Summit (LSFMM) was run remotely by James Gowans and David Woodhouse. It was titled 'user-space control of memory mappings', with a subtitle of 'letting guest...
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As the memory-management track at the 2022 Linux Storage, Filesystem, Memory-management and BPF Summit (LSFMM) neared its conclusion, Mike Kravetz ran a session remotely to talk about page sharing with hugetlbfs, which is a special filesystem that provides access to huge...
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The numerous correctness problems with the kernel's get_user_pages() functionality have been a fixture at the Linux Storage, Filesystem, Memory-management and BPF Summit (LSFMM) for some years. The 2022 event did not break that tradition. The first-day discussion on page...
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Security updates have been issued by CentOS (kernel), Debian (ark, openldap, and thunderbird), Fedora (freetype and vim), Oracle (.NET 5.0,.NET 6.0,.NET Core 3.1, container-tools:3.0, glibc, kernel, rsync, and subversion:1.10), Scientific Linux (kernel), SUSE (dcraw,...
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Version 1.61.0 of the Rust language has been released. Changes this time around include more flexibility in main-program exit codes, a number of new features for const functions, a number of newly stabilized APIs, and more.
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Thursday May 19, 2022. 05:20 PM
Control groups are a useful system-management feature, but they can also consume a lot of resources, especially if they hang around on the system after they have been deleted. Roman Gushchin described the problems that can result at the 2019 Linux Storage, Filesystem,...
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During the final day of the 2022 Linux Storage, Filesystem, Memory-management and BPF Summit (LSFMM), attention in the memory-management track turned once again to the challenges posed by the upcoming Compute Express Link (CXL) technology. Two sessions looked at different...
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Andrew 'bunnie' Huang has posted an extensive review of the Rust language derived from the experience of writing 'over 100k lines' of code. Rust is a difficult language for authoring code because it makes these 'cheats' hard – as long as you have the discipline of not...
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Security updates have been issued by Fedora (microcode_ctl, rubygem-nokogiri, and vim), Mageia (htmldoc, python-django, and python-oslo-utils), Red Hat (container-tools:2.0, kernel, kernel-rt, kpatch-patch, and pcs), SUSE (ardana-barbican, grafana, openstack-barbican,...
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The LWN.net Weekly Edition for May 19, 2022 is available.
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Wednesday May 18, 2022. 10:48 PM
LWN does its best to provide comprehensive coverage of the free-software development community, but there is far more going on than our small staff can handle. When expressed that way, this problem suggests an obvious solution: make the staff bigger. Thus, LWN is looking to...
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In a combined filesystem and storage session at the 2022 Linux Storage, Filesystem, Memory-management and BPF Summit (LSFMM), Chuck Lever wanted to discuss the need for a permanent, globally unique ID for network filesystems. He was joined by Hannes Reinecke who has worked...
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OpenSUSE Leap Micro is a new distribution, described as 'an ultra-reliable, lightweight operating system built for containerized and virtualized workloads'. The initial release (5.2) is now available. More information can be found in the 5.2 release notes.
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A longstanding problem with Btrfs subvolumes and duplicate inode numbers was the topic of a late-breaking filesystem session at the 2022 Linux Storage, Filesystem, Memory-management and BPF Summit (LSFMM). The problem had cropped up in the bcachefs session but Josef Bacik...
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The 5.17.9, 5.15.41, 5.10.117, 5.4.195, 4.19.244, 4.14.280, and 4.9.315 stable kernel updates have all been released; each contains another set of important fixes.
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