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A professional kernel hacker, born in August 6, 2000, and living in Korea (the South one!).

- Linux Kernel Developer @ Oracle (Linux Kernel MM) (2025.02 ~ Present)
- A slab subsystem co-maintainer and a reviewer for the reverse mapping subsystem
- Former Intern @ NVIDIA, SK Hynix, Panmnesia (Security, MM and CXL)
- B.Sc. in Computer Science & Engineering, Chungnam National University (Class of 2025)

Opinions are my own.

My interests are:
Memory Management,
Computer Architecture,
Circuit Design,
Virtualization

K. Ryabitsev-Prime 🍁

https://asciinema.org/a/890396

b4 bugs tui demo -- it's still an early prototype, but it's showing some of the UI for importing a bug from lore, adding a comment, replying to the reporter.
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@vbabka @ljs @ffmancera @ptesarik

wait, he's probably too hench!
*runs away*
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@haoli @kernellogger @vbabka After a few more April Fool’s days I probably need to start signing my emails to prove that I am Harry ;)
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@monsieuricon @kernellogger @vbabka

Oh no, he caught us, run!!
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Christian Brauner 🦊🐺

Edited 1 month ago

Age verification clearly doesn't belong into . We should have never merged this. Instead this should be incrementally added to the kernel itself. I'm doing my part:

https://lore.kernel.org/all/20260401-i-hope-someone-believes-this-is-real-04f24e03944e@brauner

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@kernellogger

haha, @vbabka made my day and I just added some emojis to that ;-)
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Harry (Hyeonggon) Yoo

Edited 1 month ago
@vbabka @ljs OMG lol yeah I forgot what's between S and U.
I think that's a fair argument, I, I mean... love you guys!
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@vbabka @ljs Oh,, oh lol sir, I... I don't get what you meant. Could you please elaborate for dummies like me?
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Harry (Hyeonggon) Yoo

Not sure if MBTI is a thing here...
I'm somewhere between INTP and ENFP btw!
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@david @ljs @sj @vbabka

definitely agreed with shitposting!
and yeah, I heard that rumor too... but do we know where it comes from?
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Harry (Hyeonggon) Yoo

Edited 1 month ago
@rppt @david @ljs @sj @vbabka

on second thought Mike's probably right that it's a wonderful quality that makes you unique...

oh damn it's too late! /me runs away and goes to bed
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@rppt @ljs @vbabka @david @sj

Oh god you're so mean, Mike!
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@ljs @vbabka @david @sj

Come on, that's not true at all!

You have so many wonderful qualities that make you unique. If I had to name a few, you're really... well, you've always been very... I mean, everyone agrees you're incredibly...

Something went wrong. Please try again.
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@ljs @vbabka @david @sj

Money doesn't matter - rich people
Physical beauty doesn't matter - attractive people
Kernel development statistics don't matter - Lorenzo Stoakes
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@ljs @sj @david @vbabka

omg I am a hardworking Korean but can't beat these guys
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@sj does the cat review your patches and emails before sending them, or is it the other way around?
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Seems we have confirmation this 'Josh Law' guy is an openclaw bot - https://lore.kernel.org/linux-mm/ae7dc7de-966e-4e04-bb55-318d97c61909@lucifer.local/

As I said in https://lore.kernel.org/lkml/1e982055-47c2-43d1-a919-93b3e59f2ed0@lucifer.local/ :

"I feel that LLMs are not like any other tools but in fact represent
something entirely new in that you can end-to-end send patches using this
tooling with little to no knowledge and the asymmetry between maintainer
resource and the possible slurry of submissions that might arise makes this
very significantly different.

I know Linus had the cute interpretation of it 'just being another tool'
but never before have people been able to do this."

Of course Linus slapped me down with his 'just more tooling' take which was gleefully reported on by the press (e.g. https://www.theregister.com/2026/01/08/linus_versus_llms_ai_slop_docs/ )

I'll let you decide whether these are 'just like any other tool' or not.

BTW 'Josh Law' more than doubled his sent emails in a week or 2 to 370+.

Of course I'm sure coccinelle has that feature and I just wasn't aware 👀

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@vbabka @haoli @oleksandr

Olaf as a service vs. @oleksandr as a service
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