Posts
575
Following
104
Followers
118
A relatively new professional kernel hacker, born in August 6, 2000, and living in Korea (South!).

- Linux Kernel Developer @ Oracle (Linux Kernel MM) (2025.02 ~ Present)
- Reviewer for the Linux Slab & 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
hyeyoo

Harry (Hyeonggon) Yoo

Reply to @david
Edited 4 days ago
@david @ljs @vbabka

if that's the case congrats I guess, more freedom for you!
**checks MAINTAINERS file**
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hyeyoo

Harry (Hyeonggon) Yoo

Reply to @ljs@mastodonapp.uk
@ljs @vbabka

with great massage and coffee brewing skills!
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hyeyoo

Harry (Hyeonggon) Yoo

Reply to @david
@david haha no problem, glad to see you here :)
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hyeyoo

Harry (Hyeonggon) Yoo

Reply to @ljs@mastodonapp.uk
Edited 4 days ago
@ljs @vbabka

I think I had a similar experience myself in the past...on the 'junior dev' side lol
Now I try to do something reasonable instead of "amazing" new stuff
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hyeyoo

Harry (Hyeonggon) Yoo

Reply to @ljs@mastodonapp.uk
@ljs @vbabka

lol yeah it's random moaning
looks like I'm not even qualified to moan!
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hyeyoo

Harry (Hyeonggon) Yoo

Reply to @vbabka@mastodon.social
@vbabka @ljs

right, at this stage the only way to make it to a commit is review and write a bugfix for them!
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hyeyoo

Harry (Hyeonggon) Yoo

Reply to @ljs@mastodonapp.uk
Edited 4 days ago
@ljs

when I was a hobbyist I wanted to add fancy new amazing features to the kernel. now I realize that, at work, I spend moooost of my time reviewing and discussing things, and fixing bugs!

**checks how many patches I better review until the next merge window comes**
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hyeyoo

Harry (Hyeonggon) Yoo

Edited 5 days ago
vibe-coded script for GCOV coverage visualization!
Hope this is helpful when I'm testing something or reviewing complicated code
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hyeyoo

Harry (Hyeonggon) Yoo

Reply to @ljs@mastodonapp.uk
@ljs

AI generates the code in a minute, and a human spends hours reviewing it. What a wonderful work environment, innit!
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hyeyoo
repeated
Wuzzy@cyberplace.social

Wuzzy

New TLDs just dropped:

🌐 .com: community (discussion board)
🌐 .org: oranges, or the color orange, or both
🌐 .net: everything about nets EXCEPT computer networks
🌐 .gov: Grand ObserVatory. Astronomy-related
🌐 .mil: Moms in Love. Lesbian-friendly place
🌐 .int: Integers. Everything about one number, for example: 25.int
🌐 .edu: Ethylene diurea (an organic compund)

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hyeyoo

Harry (Hyeonggon) Yoo

Reply to @ljs@mastodonapp.uk
@ljs @vbabka
Here you go, two cups of coffee for you guys! Guess which one has…. *checks note* a secret ingredient!
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hyeyoo

Harry (Hyeonggon) Yoo

Reply to @vbabka@mastodon.social
@vbabka can I claim a mug for this? haha
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hyeyoo
repeated
vbabka@mastodon.social

Vlastimil Babka 🇨🇿🇪🇺🇺🇦

RE: https://mastodon.social/@workchronicles/115534588198704665

This is how I present the lkp perf improvement reports for my patches, yeah.

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hyeyoo
repeated
vbabka@mastodon.social

Vlastimil Babka 🇨🇿🇪🇺🇺🇦

Reply to @vbabka@mastodon.social
Edited 13 days ago

in other news, thanks to @hyeyoo 's intervention, slab memory efficiency increased by 82GB yesterday!

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hyeyoo

Harry (Hyeonggon) Yoo

Reply to @ljs@mastodonapp.uk
@ljs @vbabka @david excited to see who's going to get him!
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hyeyoo

Harry (Hyeonggon) Yoo

Reply to @david
@david Hello, David!
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hyeyoo
repeated
vbabka@mastodon.social

Vlastimil Babka 🇨🇿🇪🇺🇺🇦

Oh wow, what a loss for RH! https://lore.kernel.org/linux-mm/20251103103659.379335-1-david@kernel.org/T/#u

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hyeyoo
repeated
vbabka@mastodon.social

Vlastimil Babka 🇨🇿🇪🇺🇺🇦

On Thursday, I sent this RFC: https://lore.kernel.org/lkml/20251023-sheaves-for-all-v1-0-6ffa2c9941c0@suse.cz/
On Friday, there was the expected phoronix coverage. But also an unexpected one:
https://www.nytimes.com/2025/10/24/learning/word-of-the-day-sheaf.html

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hyeyoo

Harry (Hyeonggon) Yoo

Reply to @mairacanal@mastodon.social
re: shitpost
Show content
@mairacanal @ptesarik @ljs @lkundrak

maybe some women can shod centipedes too!
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hyeyoo

Harry (Hyeonggon) Yoo

Reply to @ptesarik@infosec.exchange
re: shitpost
Show content
@ptesarik @ljs @mairacanal @lkundrak

that's great point! lol

but I'm subjective - anything with more than two feet is too many for shoes :)
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