linux-kernel - Re: [PATCH v2 0/4] memcg: initiate deprecation of v1 features

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Message-ID: <Zr5WmpgJUXe79dcz@google.com>
Date: Thu, 15 Aug 2024 19:27:22 +0000
From: Roman Gushchin <roman.gushchin@...ux.dev>
To: Shakeel Butt <shakeel.butt@...ux.dev>
Cc: Andrew Morton <akpm@...ux-foundation.org>,
	Johannes Weiner <hannes@...xchg.org>,
	Michal Hocko <mhocko@...nel.org>,
	Muchun Song <muchun.song@...ux.dev>,
	"T . J . Mercier" <tjmercier@...gle.com>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org,
	Meta kernel team <kernel-team@...a.com>, cgroups@...r.kernel.org
Subject: Re: [PATCH v2 0/4] memcg: initiate deprecation of v1 features

On Wed, Aug 14, 2024 at 03:00:17PM -0700, Shakeel Butt wrote:
> Let start the deprecation process of the memcg v1 features which we
> discussed during LSFMMBPF 2024 [1]. For now add the warnings to collect
> the information on how the current users are using these features. Next
> we will work on providing better alternatives in v2 (if needed) and
> fully deprecate these features.
> 
> Link: https://lwn.net/Articles/974575 [1]
> 
> Shakeel Butt (4):
>   memcg: initiate deprecation of v1 tcp accounting
>   memcg: initiate deprecation of v1 soft limit
>   memcg: initiate deprecation of oom_control
>   memcg: initiate deprecation of pressure_level

I have a hope that we can deprecate memcg v1 altogether, but having more
information about specific v1 users won't hurt.

Acked-by: Roman Gushchin <roman.gushchin@...ux.dev>

Thanks!