linux-kernel - Re: [PATCH] memcg: add hierarchical effective limits for v2

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Message-Id: <20250316181214.704966dd41abccab249e11dc@linux-foundation.org>
Date: Sun, 16 Mar 2025 18:12:14 -0700
From: Andrew Morton <akpm@...ux-foundation.org>
To: Johannes Weiner <hannes@...xchg.org>
Cc: Shakeel Butt <shakeel.butt@...ux.dev>, Michal Koutný
 <mkoutny@...e.com>, Roman Gushchin <roman.gushchin@...ux.dev>,
 "T.J. Mercier" <tjmercier@...gle.com>, Tejun Heo <tj@...nel.org>, Michal
 Hocko <mhocko@...nel.org>, Muchun Song <muchun.song@...ux.dev>,
 linux-mm@...ck.org, cgroups@...r.kernel.org, linux-kernel@...r.kernel.org,
 Meta kernel team <kernel-team@...a.com>
Subject: Re: [PATCH] memcg: add hierarchical effective limits for v2

On Wed, 26 Feb 2025 22:51:55 -0500 Johannes Weiner <hannes@...xchg.org> wrote:

> > > start only with memory.max as
> > > that has some usecases).
> > 
> > Yes, I can link [2] with more info added to the commit message.
> > 
> > Johannes, do you want effective interface for low and min as well or for
> > now just keep the current targeted interfaces?
> 
> I think it would make sense to do min, low, high, max for memory in
> one go, as a complete new feature, rather than doing them one by one.
> 
> Tejun, what's your take on this, considering other controllers as
> well? Does that seem like a reasonable solution to address the "I'm in
> a namespace and can't see my configuration" problem?

I guess Tejun missed this.

It seems that more think time is needed on this patch?