Re: 6.10/regression/bisected - after f1d97e769152 I spotted increased execution time of the kswapd0 process and symptoms as if there is not enough memory

[Filipe Manana]

On Sun, Jul 7, 2024 at 12:15 PM Andrea Gelmini <andrea.gelmini@xxxxxxxxx> wrote:
>
> Il giorno dom 7 lug 2024 alle ore 12:28 Filipe Manana
> <fdmanana@xxxxxxxxxx> ha scritto:
>
> > > Ok, recompile now and test!
> >
> > Thanks! Much appreciated!
>
> So, usual benchmark:
>     fresh: 0:03:16 [ 275MiB/s]
>     aged: 0:02:30 [ 680MiB/s]
>
> I let you know in a few days.
> Well, does it make sense to add the option to disable shrinker via /proc?

Maybe (through sysfs), but  the shrinker is important to prevent OOM
situations because otherwise we can create an unlimited number of
extent maps.
It can be triggered by a regular user, intentionally or not.

>
> Thanks to you,
> Gelma