Re: [PATCH 00/15] Introduce DAMON-based Proactive Reclamation

From: Oleksandr Natalenko
Date: Sun Nov 21 2021 - 17:32:25 EST


Hello.

On úterý 19. října 2021 17:07:16 CET SeongJae Park wrote:
> In short, DAMON_RECLAIM with 50ms/s time quota and regions prioritization on
> v5.15-rc5 Linux kernel with ZRAM swap device achieves 38.58% memory saving
> with only 1.94% runtime overhead. For this, DAMON_RECLAIM consumes only
> 4.97% of single CPU time.

While it really consumes little CPU time, is it fine for `kdamond.0` to be in a
D (uninterruptible sleep) state all the time while active, pushing loadavg
over 1.0?

Thanks.

--
Oleksandr Natalenko (post-factum)