Posts
564
Following
103
Followers
116
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 @ljs
Edited 2 years ago
@ljs @thomy2000 Can I put both of books in my bag please?

Oh, I need much bigger bag...
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hyeyoo
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kernellogger@fosstodon.org

Thorsten Leemhuis (acct. 1/4)

Reply to @kernellogger@fosstodon.org

2/…patches from new or rare contributors should have some kind of tag to indicate things like

(1) I have no interest in learning how to do things better, I just want it fixed; I'm thus happy if someone dramatically changes the patch or writes a better one.

(2) I'd really like to learn how to do this properly, hence would be grateful if someone could guide me somewhat.

Why? Well, misunderstandings here can be annoying and a waste of time for both sides (and lead to situations like the above).

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hyeyoo
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kernellogger@fosstodon.org

Thorsten Leemhuis (acct. 1/4)

"[…] Instead of accepting my [] patch or guiding me towards a better solution, he went ahead and implemented his own fix, giving me credit only for reporting the issue […]

My first contribution to the [] was a really frustrating and discouraging experience, dealing with people who do not think it’s important to get proper recognition for your work. […]"

https://ariel-miculas.github.io/How-I-got-robbed-of-my-first-kernel-contribution/

1/ Side note: I sometimes wonder if…

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hyeyoo

Harry (Hyeonggon) Yoo

Reply to @ljs
@ljs @sj I appreciate it
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hyeyoo

Harry (Hyeonggon) Yoo

Reply to @ljs
@ljs @sj more holidays to you means more pages written?
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hyeyoo

Harry (Hyeonggon) Yoo

Edited 2 years ago
My android phone kills the chrome app very often. It is painful that I can't see system logs. I suspect it was the OOM killer that kills it.
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hyeyoo
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gamingonlinux@mastodon.social

Liam @ GamingOnLinux 🐧🎮

Raspberry Pi 5 announced - still tiny, much more powerful https://www.gamingonlinux.com/2023/09/raspberry-pi-5-announced-still-tiny-much-more-powerful/

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hyeyoo

Harry (Hyeonggon) Yoo

nice 6 days break for Chuseok! (korean thanksgiving day)
@sj 즐거운 추석 되세요 :)
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hyeyoo

Harry (Hyeonggon) Yoo

Reply to @ptesarik@fosstodon.org
@ptesarik nope ;) some DNS hostimg services provide updating records via web APIs!
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hyeyoo

Harry (Hyeonggon) Yoo

Reply to @vbabka
@vbabka because a memory leak is common?
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hyeyoo

Harry (Hyeonggon) Yoo

Reply to @hyeyoo
@vbabka btw how do you think about maintaining a slab/experimental branch so that it can be tested first even before being reviewed and went to slab/for-next?
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hyeyoo
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carnage4life@mas.to

Dare Obasanjo

Welcome to the cycle of generative AI making search worse.

Quora uses ChatGPT which hallucinates an answer to a nonsense question.

Google Search picks up this nonsense answer from Quora which has high page rank and treats it as an instant answer.

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hyeyoo

Harry (Hyeonggon) Yoo

Reply to @ljs
@ljs
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pdp7@fosstodon.org

Drew Fustini

Reply to @vegard@mastodon.social

@vegard did you bring the concurrency cheat sheet? It's great!

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hyeyoo
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monsieuricon

K. Ryabitsev 🍁

"Subscribing" to mailing lists via sourcing a pop3 mailbox from lore.kernel.org now works. Should be of particular interest to gmail users.

I'll document after some more initial testing.
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hyeyoo

Harry (Hyeonggon) Yoo

Reply to @hyeyoo
Edited 2 years ago
Fun part of building a home server with a domain name is the public IP can change. I wrote a script updating DNS A record periodically because of this. This is not a perfect solution though; DNS propagation time takes some time. But it should be sufficient for my service.
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hyeyoo

Harry (Hyeonggon) Yoo

Edited 2 years ago
small progress on the kernel testing side project: I did setup LAVA instance in addition to Jenkins and made it publicly available.

it took few weeks due to issues with hardware :(

this is home server so can't provide excellent stability and uptime but here it is:

https://lava.kerneltesting.org
https://jenkins.kerneltesting.org
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hyeyoo

Harry (Hyeonggon) Yoo

my jenkins VM was mysteriously shut down continuously without any log. I spent some time figuring out why, but it was the host's OOM killer that killed it. chrome tabs that I forgot to close was eating up 100% of the memory. fun ;)

but 32gib for a browser was too much? was it memory leak?
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hyeyoo

Harry (Hyeonggon) Yoo

Reply to @hyeyoo
@sj it's remarkable that you can work in this way (working while traveling for the whole month).
congrats for the progress you made ;)
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hyeyoo

Harry (Hyeonggon) Yoo

Reply to @sj
Edited 2 years ago
@sj wow lots of walking!
I usually only walk one or two km per day...
btw did u miss the train XD
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