Re: [PATCH 00/15] Introduce DAMON-based Proactive Reclamation
From: SeongJae Park
Date: Tue Nov 23 2021 - 03:36:43 EST
On Sun, 21 Nov 2021 23:32:12 +0100 Oleksandr Natalenko <oleksandr@xxxxxxxxxxxxxx> wrote:
> 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?
Good point, this could confuse some users using loadavg. I will send a fix for
> Oleksandr Natalenko (post-factum)