Re: [PATCH 3/3] memcg: increase MEMCG_CHARGE_BATCH to 64

[Shakeel Butt]

On Mon, Aug 22, 2022 at 8:22 AM Michal Hocko <mhocko@xxxxxxxx> wrote:
>
> On Mon 22-08-22 08:09:01, Shakeel Butt wrote:
> > On Mon, Aug 22, 2022 at 3:47 AM Michal Hocko <mhocko@xxxxxxxx> wrote:
> > >
> > [...]
> > >
> > > > To evaluate the impact of this optimization, on a 72 CPUs machine, we
> > > > ran the following workload in a three level of cgroup hierarchy with top
> > > > level having min and low setup appropriately. More specifically
> > > > memory.min equal to size of netperf binary and memory.low double of
> > > > that.
> > >
> > > a similar feedback to the test case description as with other patches.
> >
> > What more info should I add to the description? Why did I set up min
> > and low or something else?
>
> I do see why you wanted to keep the test consistent over those three
> patches. I would just drop the reference to the protection configuration
> because it likely doesn't make much of an impact, does it? It is the
> multi cpu setup and false sharing that makes the real difference. Or am
> I wrong in assuming that?
>

No, you are correct. I will cleanup the commit message in the next version.