linux-kernel - Re: [PATCH RFC 1/4] fs/locks: Fix file lock cache accounting, again

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Message-ID: <Zaj0LYIJRL9TNj2R@tiehlicka>
Date: Thu, 18 Jan 2024 10:49:33 +0100
From: Michal Hocko <mhocko@...e.com>
To: Jeff Layton <jlayton@...nel.org>
Cc: Josh Poimboeuf <jpoimboe@...nel.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Chuck Lever <chuck.lever@...cle.com>,
	Shakeel Butt <shakeelb@...gle.com>,
	Roman Gushchin <roman.gushchin@...ux.dev>,
	Johannes Weiner <hannes@...xchg.org>, linux-kernel@...r.kernel.org,
	Jens Axboe <axboe@...nel.dk>, Tejun Heo <tj@...nel.org>,
	Vasily Averin <vasily.averin@...ux.dev>,
	Michal Koutny <mkoutny@...e.com>, Waiman Long <longman@...hat.com>,
	Muchun Song <muchun.song@...ux.dev>, Jiri Kosina <jikos@...nel.org>,
	cgroups@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [PATCH RFC 1/4] fs/locks: Fix file lock cache accounting, again

On Wed 17-01-24 14:00:55, Jeff Layton wrote:
> I'm really not a fan of tunables or different kconfig options,
> especially for something niche like this.

I completely agree with that. We do have plethora of kernel objects
which are accounted and we really do not want to have a kernel cmd line
option for many/each of them. Kernel memory accounting can be disabled
through kernel cmd line already. 
-- 
Michal Hocko
SUSE Labs