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Maintaining DAMON (https://damonitor.github.io). All opinions are my own.
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gregkh

Greg K-H

My secret kernel review tools were spotted in the back of the @KernelRecipes room
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KernelRecipes@fosstodon.org

Kernel Recipes

Massive thanks to @corbet for being this year's godfather, you set the bar dangerously high!

And the torch now passes to @dwmw2 for 2027! No pressure. 🔥

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sj

Impressive paper. DeepSeek is saving [1] 21.2% of memory using DAMON on their production sandbox platform, DSec.

[1] https://arxiv.org/pdf/2609.22978

#linux #kernel #damon
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@KernelRecipes The slides are available at https://github.com/damonitor/talks/blob/master/2026/kernel_recipes/damon_kernel_recipes.pdf

#kr2026 #linux #kernel #damon

RE: https://fosstodon.org/@KernelRecipes/117308443657878912
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KernelRecipes@fosstodon.org

Kernel Recipes

@sj now moves on to another area, memory management: how to handle more data with less memory with DAMOS.

https://docs.kernel.org/mm/damon/design.html

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monsieuricon

K. Ryabitsev-Prime 🍁

We now publish tar'd up shallow git clones you can use with your CI. Please carefully read the safety caveats and use the script we provide to make sure you're not getting something malicious:

https://people.kernel.org/monsieuricon/using-shallow-git-tarballs-for-ci
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sj

Edited 8 days ago
The season for conferences is back. I will travel for three weeks, starting from tomorrow. During the trip, I will give four talks in three conferences.

Next week, I will be in Paris for Kernel Recipes. I will have a talk [1] introducing DAMOS. After the conference, I will head to Prague for LPC and OSSummit Europe.

After enjoying Prague for a week, I will have two talks in LPC. One [2] for updates of DAMON work for memory tiering and general NUMA management at Special Purpose Memory Management Micro-Conference, Monday. And another one [3] for the beyond-page table accessed bit DAMON extension community collaboration project at DAMON (Nano) Conference, Tuesday.

Finally, I will share [4] how DAMON could be effectively used in Open Source Summit Europe, Wednesday.

Looking forward to meeting people in Paris and Prague. If you find me, please feel free to come and shake my hand in person!

[1] https://kernel-recipes.org/en/2026/schedule/damos-the-smart-cruise-control-for-ram/
[2] https://lpc.events/event/20/contributions/2518/
[3] https://lpc.events/event/20/contributions/2453/
[4] https://sched.co/2RaXh

#damon #kernel_recipes #lpc #spmm_microncof #damon_conf #osseu
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Edited 8 days ago
Today I found Sashiko [1] now has a "login" button.

[1] https://sashiko.dev
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Edited 18 days ago
Five years ago today, DAMON was merged [1] into the mainline. It was grateful years. I learned things much more than I expected in the five years. Hopefully DAMON gave some fun and wins to people. I'm looking forward to the next five years.

[1] https://git.kernel.org/torvalds/c/2224d8485492

#linux #kernel #damon
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sj

Deliveries are on the track. We start the milestone 2 of DAMON extension beyond the page table accessed bit for AMD IBS-like h/w features and per-CPUs-like detailed monitoring. Milestone 1 is considered to be delivered on time. Milestone 2 will take time, but seems still doable by the planned timeline.

[1] https://lore.kernel.org/20260905171537.84217-1-sj@kernel.org

#linux #kernel #damon
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Edited 27 days ago
Linux 7.3-rc1 is released. Hence DAMON newsletter [1] for the cycle is also published.

TL; DR:

Just after breaking the record of DAMON history in the last cycle, this cycle
again broke the record. It was the busiest cycle of DAMON history. 20 authors
made 161 commits and 2283 lines of changes for DAMON on the Linux mainline. A
new data attributes monitoring feature, a few optimizations for DAMON users,
and quite a lot of refactoring are delivered. New DAMON usages and development
projects are shared. The first DAMON (nano) Conference is scheduled.

[1] https://lore.kernel.org/20260830235014.64406-1-sj@kernel.org/

#linux #kernel #damon
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sj

Jason Angelov developed an interesting project, "Cold Pages DAMON Pager". It utilizes DAMON to find cold pages and than compress those.

[1] https://github.com/jasonangelov/damon-compression-pager
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kernellogger@hachyderm.io

Thorsten Leemhuis (acct. 1/4)

Edited 28 days ago

The video recording of @gregkh's recent keynote "Linux in the Land of LLMs" is now available on YouTube: https://www.youtube.com/watch?v=_MwMLPmMccs&pp=0gcJCRMMAYcqIYzv

Slides: https://hosted-files.sched.co/osskorea2026/a7/4%20-%20Greg%20-%20oss_korea%20v2.pptx.pdf

Here are a few screenshots from the latter:

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gregkh

Greg K-H

Some talks just write themselves, @KernelRecipes is going to be fun this year!

(not that it's not fun every year, but you get the idea...)
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The complete schedule of the first DAMON (nano) Conference is now available [1] at the web page. Looking forward to meet you all in Prague!

[1] https://lpc.events/event/20/contributions/2453/

#linux #kernel #damon #linuxplumbers

RE: https://social.kernel.org/objects/bcd257a9-c3c5-4e75-bda7-a06d6681aefd
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KernelRecipes@fosstodon.org

Kernel Recipes

Edited 1 month ago

Ten years. That's how long it's been since Jonathan Corbet last gave his famous Kernel Report at Kernel Recipes (https://archives.kernel-recipes.org/document/the-kernel-report/) and two years since the talk appeared on the schedule at all.

He'll be opening the conference with it.

In Jonathan's own words, the session covers "what is happening in the kernel community and where it might go."

Not registered yet? Hurry! Only a handful of seats left, especially for the full three days.

The schedule: https://kernel-recipes.org/en/2026/schedule/

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linuxplumbersconf@mastodon.social

Linux Plumbers Conference

LPC 2026 is sold out! If you haven't secured your ticket yet, please refer to our latest blog post for information about the wait list.

https://lpc.events/blog/current/index.php/2026/08/15/linux-plumbers-conference-2026-is-now-sold-out/

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paulmckrcu

Paul E. McKenney

We buried my father today. He will be missed, but he was 94 years old and had a good run, holding his bit of sky for many decades. And how many can say that?

An extended obituary may be found here:

https://docs.google.com/document/d/1sThS0zbr_uoJ6Jkyz43tvMdSApqA-WmUT9CG58aWviE/edit?usp=sharing
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sj

Today I learned yet another approach to use AI and a maintainer to compare something that they don't understand against their own solution. Creative, and disappointing to be honest. Sigh.

https://lore.kernel.org/20260806134454.96428-1-sj@kernel.org
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We will have the first DAMON (nano) Conference at LPC'26. The call for proposals [1] is just published. Looking forward to your submission and meet in Prague!

[1] https://lore.kernel.org/20260806003357.92659-1-sj@kernel.org

#linux #kernel #damon #linuxplumbers
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