linux-kernel - Re: [RFC PATCH 0/3] Introduce per-cgroup compression priority

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Message-ID: <aP-Ymcsoyls04jov@slm.duckdns.org>
Date: Mon, 27 Oct 2025 06:06:49 -1000
From: Tejun Heo <tj@...nel.org>
To: jinji zhong <jinji.z.zhong@...il.com>
Cc: minchan@...nel.org, senozhatsky@...omium.org,
	philipp.reisner@...bit.com, lars.ellenberg@...bit.com,
	christoph.boehmwalder@...bit.com, corbet@....net,
	hannes@...xchg.org, mkoutny@...e.com, axboe@...nel.dk,
	mhocko@...nel.org, roman.gushchin@...ux.dev, shakeel.butt@...ux.dev,
	akpm@...ux-foundation.org, terrelln@...com, dsterba@...e.com,
	muchun.song@...ux.dev, linux-kernel@...r.kernel.org,
	drbd-dev@...ts.linbit.com, linux-doc@...r.kernel.org,
	cgroups@...r.kernel.org, linux-block@...r.kernel.org,
	linux-mm@...ck.org, zhongjinji@...or.com, liulu.liu@...or.com,
	feng.han@...or.com
Subject: Re: [RFC PATCH 0/3] Introduce per-cgroup compression priority

Hello,

On Sun, Oct 26, 2025 at 01:05:07AM +0000, jinji zhong wrote:
> This patch introduces a per-cgroup compression priority mechanism,
> where different compression priorities map to different algorithms.
> This allows administrators to select appropriate compression
> algorithms on a per-cgroup basis.

I don't think it makes sense to tie this to cgroups. Is there something
preventing this from following the process hierarchy?

Thanks.

-- 
tejun