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LWN.net

[$] Tier-aware memory-controller limits

Joshua Hahn began his session in the memory-management track of the 2026 Linux Storage, Filesystem, Memory Management, and BPF Summit by saying that the memory controller for control groups is intended to provide resource allocation, accounting, and protection from interference by other tasks. But it was not really designed for tiered-memory systems; he is looking for a way to improve that situation.

LWN.net

Security updates for Monday

Security updates have been issued by Debian (atril, evince, gnutls28, haproxy, haveged, jq, kernel, krb5, libgcrypt20, nodejs, and thunderbird), Fedora (aw-server-rust, awatcher, bind, bind-dyndb-ldap, chromium, composer, docker-buildkit, docker-buildx, dotnet10.0, dotnet8.0, dotnet9.0, evince, firefox, httpd, kernel, nodejs-aw-webui, nss, perl-Apache-Session-Browseable, pie, python-pulp-glue, python-requests, and python3.15), Slackware (kernel), SUSE (apptainer, chromium, cockpit, dnsmasq, google-guest-agent, hauler, iproute2, jfrog-cli, kernel, libecpg6, libsolv, libzypp, zypper, mcphost, oci-cli, perl-YAML-Syck, python-lxml, python-urllib3, python311-impacket, rqlite, rsync, util-linux, and xz), and Ubuntu (evince, linux-azure, linux-azure-5.4, linux-azure-fips, linux-azure-4.15, linux-azure-fips, linux-fips, linux-gcp-5.15, linux-lowlatency-hwe-5.15, linux-oracle-6.17, node-path-to-regexp, and rclone).

LWN.net

[$] Dirk and Linus discuss AI and kernel development

Linus Torvalds does not enjoy giving talks, but he does consent to the occasional on-stage conversation with Dirk Hohndel at Linux Foundation events. The pair held the 30th of their fire-less fireside chats during a keynote session on May 20, at the 2026 Open Source Summit North America. Topics included 3D printing, guitar pedals, the recent 7.1-rc4 release of the kernel, and Torvalds's complicated relationship with AI tooling.

Phoronix

Intel Introducing USB4STREAM Protocol For Linux - Opening Up Some Nifty Uses For USB4

An exciting Intel innovation expected to be added for the upcoming Linux 7.2 kernel is introducing the new USB4STREAM protocol for USB4/Thunderbolt as a "super simple" way to "basically just transfer raw packets from one host to another". This can be useful for quickly backing up a system from one host to another, sharing of web cameras or other peripherals across systems, or other environments where not having networking or wanting to avoid the traditional Linux networking stack...