Re: [RFC PATCH v1 0/4] mm/damon: Introduce a huge page collapsing mechanism using auto tuning

[SeongJae Park]

On Mon, 4 May 2026 16:52:01 +0300 Gutierrez Asier <gutierrez.asier@xxxxxxxxxxxxxxxxxxx> wrote:

> On 5/1/2026 3:41 AM, SeongJae Park wrote:
> > Hello Asier,
> Hi, sorry for the delayed answer.

No worry, no rush.  Take your time :)

> > 
> > On Thu, 30 Apr 2026 13:41:35 +0000 <gutierrez.asier@xxxxxxxxxxxxxxxxxxx> wrote:
[...]
> >> A new module is introduced to demonstrate the use of huge pages
> >> collapse autotuning. The module launches a kdamond thread for a 
> >> certain task provided by the user through monitored_pid module argument.
> > 
> > If it is only for demonstration, I think it is more fit to be a sample module
> > (placed under samples/damon/).
> We are testing this in a bare metal MySQL server. Maybe the description
> was not the most accurate.

Do you mean it is not only for demonstration but a real world use case and
therefore better not to be a sample module?

> >>
> >> This module also has a user autotuning knob which allows the user to
> >> adjust the aggressiveness of page collapsing.
> >>
> >> Benchmarks
> >> ================
> >> In progress, will add them in the next RFC series.
> > 
> > Looking forward to!
> > 
> > I may request not that much test results for the quota goal.  If the module is
> > not just a sample but for a real world use case, I may hope somewhat reasonable
> > test resulsts.
> OK, will do it.

Thank you for kindly and flexibly accepting my humble suggestions :)


Thanks,
SJ

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