Posts
527
Following
99
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

Since when has kernel compilation required this much RAM? My laptop with 16GiB of RAM uses tens of GBs of swap space during linkage step
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hyeyoo

Harry (Hyeonggon) Yoo

Reply to @conor
@conor it was totally unexpected accident, a lesson learned worth $500 🥲
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hyeyoo

Harry (Hyeonggon) Yoo

I was removing the CPU cooler when the CPU became stuck to it and came off together.

ahh why this happened to me :(

tried to straighten bent pins but
not sure if it will work again.
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hyeyoo

Harry (Hyeonggon) Yoo

Reply to @ljs
@ljs I'm really sorry to hear that. please hold on and stay strong!
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hyeyoo

Harry (Hyeonggon) Yoo

Reply to
@cwayne @vbabka

most of my friends use it to share everyday life
(and some of them literally post every single event in their life)
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hyeyoo

Harry (Hyeonggon) Yoo

mm-unstable has never been kind to me.

https://lore.kernel.org/linux-mm/CAB=+i9Qbi7+o90Cd_ecd1TeaAYnWPcO-gNp7kzc95Pxecy0XTw@mail.gmail.com/T/#u
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hyeyoo

Harry (Hyeonggon) Yoo

Reply to
@cwayne @vbabka
why not instagram?
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hyeyoo

Harry (Hyeonggon) Yoo

Reply to @vbabka
@vbabka @ljs possibly! it makes perfect sense.
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hyeyoo

Harry (Hyeonggon) Yoo

someone took a bite out of my slipper.
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hyeyoo

Harry (Hyeonggon) Yoo

Reply to @vbabka
Edited 2 years ago
@vbabka @larsmb threads are inherently toxic to brain as you need to take care about concurrency
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hyeyoo

Harry (Hyeonggon) Yoo

Reply to
@lkundrak @vbabka
the correct pronunciation should be thoroughly documented 😂
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hyeyoo

Harry (Hyeonggon) Yoo

Reply to @hyeyoo
Edited 2 years ago
@vbabka @lkundrak

why not call it just slab instead when we have only single implenentation ;)

and yeah there someone might suggest new implementation in the future but it should replace existing one to be merged... or we will have tens of allocators again (and run out of letters)
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hyeyoo

Harry (Hyeonggon) Yoo

Reply to @vbabka
@vbabka @lkundrak

Oh, lol I don't even know how to pronounce it 😂
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hyeyoo

Harry (Hyeonggon) Yoo

Reply to @vbabka
Edited 2 years ago
@vbabka

Wow, 10 years.

I always hope to accumulate sufficient experience as an engineer but also don't want to get older... but can't have both :(

congrats anyway!!
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hyeyoo

Harry (Hyeonggon) Yoo

Reply to @vbabka
@vbabka @lkundrak
Not sure I follow ;) where is the PR?
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hyeyoo

Harry (Hyeonggon) Yoo

Reply to @ljs
Edited 2 years ago
@ljs yes, you have never been boring ;)
just asked because I thought maybe your post could be about you but I think you are not.
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hyeyoo

Harry (Hyeonggon) Yoo

Reply to @ljs
@ljs do you think you are boring?
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hyeyoo

Harry (Hyeonggon) Yoo

Reply to @ljs
@ljs Being a boring person, not getting bored by others?
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hyeyoo
repeated
krzk

Krzysztof Kozlowski

Edited 2 years ago
It was great to see at the EOSS 2023 commitments from some ARM64 SoC manufacturers to upstreaming their SoCs. It was visible in the conference talks but also I got such clear vibes during the talks behind the scenes.
What was a bit missing is a story of Qualcomm which recently is heavily visible upstream - both directly and through the Qualcomm Landing Team in Linaro. November last year Qualcomm released its newest, shiniest mobile SoC: the Snapdragon 8 Gen 2 (SM8550).
And guess what happened? The next day you could find all the Linux kernel support for this new SoC on the mailing list. The newest SoC was released with upstream support at the same time. There is also story from @superna9999: https://www.linaro.org/blog/upstream-linux-support-now-available-for-the-the-qualcomm-snapdragon-8-gen-2-mobile-platform/
#eoss2023 #elce2023 #EmbeddedOSSummit
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hyeyoo

Harry (Hyeonggon) Yoo

Reply to @hyeyoo
Edited 2 years ago
BTW CXL is very hot technology even though it's supposed to hold cold data ;)
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