Re: [PATCH] memcg: add support to generate the total count of children from root

[Aaron Tomlin]

On Tue, 24 Nov 2020 at 13:36, Michal Hocko <mhocko@xxxxxxxx> wrote:

Michal,

> This like any other user visible interface would be a much easier sell
> if there was a clear usecase to justify it. I do not see anything
> controversial about exporting such a value but my general take is that
> we are only adding new interface when existing ones are insufficient. A
> performance might be a very good reason but that would really require to
> come with some real life numbers.

Fair enough and understood.

At this stage, I unfortunately do not have such supporting data. This was only
useful in an isolated situation. Having said this, I thought that the
aforementioned interface would be helpful to others, in particular, given the
known limitation.

Kind regards,
-- 
Aaron Tomlin