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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
@vbabka @kernellogger That's the beauty (and also ugliness) of vagueness; it can get specific in any direction :)
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@kernellogger @vbabka
A vague toot from a colleague spreading like a plague from Prague to Hague!
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Harry (Hyeonggon) Yoo

Edited 2 months ago
@ljs

that's awful indeed.

the maintainer should transfer some power and responsibilities (ok, this is already...) to rightful folks and trust/respect them :/
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@ljs There's nothing more frustrating than something that doesn't change no matter how hard you try, especially when it's something you're really passionate about and care about deeply.

More than anything, I just wish you wouldn't burn yourself out and would take a little rest :'(

I really appreciate and keep being impressed by what you and David have been doing, but at the same time I can't help worrying that you're taking on too much of a burden...
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@vbabka @monsieuricon hehe, I have been doing all the churn manually every time I send a patchset :P
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@oleksandr @vbabka yeah absolutely, the feeling when...
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Harry (Hyeonggon) Yoo

Oh, why didn't I learn how to use lei sooner?
(going to say the same thing for b4, I guess)
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@vbabka
Oh lol, I'm sure this will be the best kernel meme of the year :)
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Vlastimil Babka 🇨🇿🇪🇺🇺🇦

mm patches be like

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K. Ryabitsev-Prime 🍁

Incorporating sashiko.dev into b4 review LIKE A BOSS.
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@haoli @vbabka yeah, you can interact with many interesting folks here. but try not to be addicted though!
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Harry (Hyeonggon) Yoo

@vbabka Woo-hoo, @haoli is on mastodon!
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Harry (Hyeonggon) Yoo

Edited 3 months ago
42 Seoul, a campus of 42 [1] (which started as École 42 in Paris), has announced that they'll close this September.

During the COVID period, I've been taking computer science classes at university remotely while working on 42's assignments in person at 42 Seoul. (Yeah, that was quite intense!)

What I learned there wasn't knowledge itself, but how to approach problems I had never once thought about before, through discussions with peers. That learning process contributed greatly to my growth as an engineer in my early twenties (fun fact, hyeyoo is the nickname 42 gave me!).

These days, sadly, it feels like there are more and more people giving up on logical thinking (AI isn't going to replace logical thinking and problem solving skills, at least in the near future :/)

It's quite sad that 42 Seoul, a school that cultivated the ability to learn and think, and approach challenging problems, is closing its doors due to practical reasons.

[1] https://en.wikipedia.org/wiki/42_(school)
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Harry (Hyeonggon) Yoo

Edited 4 months ago
@vbabka
Oh nooooo… :/
yeah, it happens sometimes (I got the LSFMM flu last year)

Take some good rest and get well soon!
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Harry (Hyeonggon) Yoo

Edited 4 months ago
@lkundrak AI will replace your job to do unsafe things with higher productivity, sorry
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NEPŘÁTELSKÉ EMOCE 🇺🇦🇨🇿

i can do unsafe things without ai, thank you

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@david Hope it will be an interesting and enjoyable journey!
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David Hildenbrand

My „relaxing“ time off is over. Time for a new adventure at arm :)
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@ljs have a safe flight and have fun!
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