Posts
469
Following
90
Followers
94
n00b Kernel Hacker
- Intern @ NVIDIA Korea (Security System Software) (2024.06 ~)
- Ex-Intern @ Panmneisa (CXL emulation stuff) (~2023.12)
- Undergraduate majoring CSE (estimated graduation: Feb. 2025)
- Working as reviewer at Linux Slab subsystem
- Born in August 6, 2000

Opinions are my own.

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

Hyeonggon Yoo

the end of this semester is near,
can't wait for summer vacation
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hyeyoo

Hyeonggon Yoo

@monsieuricon

https://lore.kernel.org/linux-mm
It seems to be no longer updated
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hyeyoo
repeated
ljs

Lorenzo Stoakes

Edited 1 year ago
Updated the progress page - dat flat line. Praying that nothing else interferes with progress going forward!

https://linuxmemory.org/progress
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hyeyoo
repeated
ljs

Lorenzo Stoakes

OK so that, minus descriptions of things like mprotect(), madvise(), mremap() and general review and cleanup is process memory done.

Been working on this part of the book (initially I thought it'd be 1 chapter, lol) for at least 6 months.

After a month of basically no book progress due to being away for lsf/mm and ill this is a great relief and keeps me on time after my last reschedule of targets.

Next: OOM killer chapter which, when done, will be released as a sample chapter.
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hyeyoo

Hyeonggon Yoo

Reply to
@cwayne @ljs

I'm really sorry to hear you guys are having such a tough time. My experience of life may be limited compared to yours, and I may not fully understand, but I'm here to support you in any way I can.
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hyeyoo

Hyeonggon Yoo

Reply to @vbabka
@vbabka @MASTERBOOTRECORD

what, already infected even before I buy it?
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hyeyoo

Hyeonggon Yoo

Reply to @hyeyoo
Called several school departments today and regained access to the e-learning site :P
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hyeyoo

Hyeonggon Yoo

Reply to @vbabka
@vbabka @MASTERBOOTRECORD

wow, that's quite a blast from the past!

did it end up infecting other computers as well, or mess up your computer?
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hyeyoo

Hyeonggon Yoo

Reply to @vbabka
@vbabka @MASTERBOOTRECORD

How have you managed to boot without master boot record?
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hyeyoo

Hyeonggon Yoo

Reply to
@vbabka @kernellogger @sj @ljs

the strategy of utilizing LLMs for documentation might be useful for motivating someone to think "Oh, this is a piece of shit, I should completely rewrite it"
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hyeyoo

Hyeonggon Yoo

Edited 1 year ago
I was unable to access my school's e-learning site this morning. Turns out I was expelled from school for unknown reason. I was panicking, but a school employee called me to say that there was a mistake while processing scholarship for school tuition and everything will be fine.
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hyeyoo

Hyeonggon Yoo

off and off
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hyeyoo

Hyeonggon Yoo

Reply to @ljs
@ljs @cwayne @vbabka
Don't forget to mention me when discussing
g dumb idiots
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hyeyoo

Hyeonggon Yoo

Reply to
@kernellogger @ljs

lol there are already so many obstacles in this driver's way
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hyeyoo

Hyeonggon Yoo

Reply to
@kernellogger @ljs

I use KVM only for kernel development and virtualbox/vmware for other work.

Because I'm not familiar with KVM yet,
maybe this is the chance to completely migrate to KVM ;)
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hyeyoo

Hyeonggon Yoo

Edited 1 year ago
looks like @ljs 's changes to GUP broke my out-of-tree virtualbox driver. out-of-tree drivers suck :P
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hyeyoo

Hyeonggon Yoo

Reply to @ljs
Edited 1 year ago
@ljs @ptesarik Yes! "might be the case" was was not clear ;)
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hyeyoo

Hyeonggon Yoo

Reply to @hyeyoo
Edited 1 year ago
@ptesarik @ljs

I thought maybe freeing unnecessary vmemmap pages for HugeTLB pages might be the case, but it seems to remap to first vmemmap page. And if I am not mistaken pfn_valid() will return true for them.
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hyeyoo

Hyeonggon Yoo

Starting to like Joan's drawings more
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hyeyoo

Hyeonggon Yoo

TIL: NUMA configuration and distance matrix are parsed from device trees, ACPI, or dummy configuration is used.
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