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From: Luis Chamberlain <mcgrof@kernel.org>
To: Alexey Avramov <hakavlad@inbox.lv>
Cc: linux-mm@kvack.org, linux-doc@vger.kernel.org,
	linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
	corbet@lwn.net, akpm@linux-foundation.org, keescook@chromium.org,
	yzaikin@google.com, oleksandr@natalenko.name, kernel@xanmod.org,
	aros@gmx.com, iam@valdikss.org.ru, hakavlad@gmail.com
Subject: Re: [PATCH] mm/vmscan: add sysctl knobs for protecting the working set
Date: Tue, 30 Nov 2021 07:28:40 -0800	[thread overview]
Message-ID: <YaZDKLzWBLdcnok7@bombadil.infradead.org> (raw)
In-Reply-To: <20211130201652.2218636d@mail.inbox.lv>

On Tue, Nov 30, 2021 at 08:16:52PM +0900, Alexey Avramov wrote:
> diff --git a/kernel/sysctl.c b/kernel/sysctl.c
> index 083be6af2..65fc38756 100644
> --- a/kernel/sysctl.c
> +++ b/kernel/sysctl.c
> @@ -3132,6 +3132,27 @@ static struct ctl_table vm_table[] = {
>  	},
>  #endif
>  	{
> +		.procname	= "anon_min_kbytes",
> +		.data		= &sysctl_anon_min_kbytes,
> +		.maxlen		= sizeof(unsigned long),
> +		.mode		= 0644,
> +		.proc_handler	= proc_doulongvec_minmax,
> +	},
> +	{
> +		.procname	= "clean_low_kbytes",
> +		.data		= &sysctl_clean_low_kbytes,
> +		.maxlen		= sizeof(unsigned long),
> +		.mode		= 0644,
> +		.proc_handler	= proc_doulongvec_minmax,
> +	},
> +	{
> +		.procname	= "clean_min_kbytes",
> +		.data		= &sysctl_clean_min_kbytes,
> +		.maxlen		= sizeof(unsigned long),
> +		.mode		= 0644,
> +		.proc_handler	= proc_doulongvec_minmax,
> +	},
> +	{
>  		.procname	= "user_reserve_kbytes",
>  		.data		= &sysctl_user_reserve_kbytes,
>  		.maxlen		= sizeof(sysctl_user_reserve_kbytes),

Please don't clutter this file anymore than what we have with random
sysctls, as otherwise it becomes a pain to deal with merge conficts.
You can use register_sysctl_init("vm", whatever_your_local_table_name)
within the file you are adding your sysctl.

 Luis

  reply	other threads:[~2021-11-30 15:28 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-11-30 11:16 [PATCH] mm/vmscan: add sysctl knobs for protecting the working set Alexey Avramov
2021-11-30 15:28 ` Luis Chamberlain [this message]
2021-11-30 18:56 ` Oleksandr Natalenko
2021-12-01 15:51   ` Alexey Avramov
2021-12-02 18:05 ` ValdikSS
2021-12-02 21:58   ` Andrew Morton
2021-12-03 11:59     ` Vlastimil Babka
2021-12-03 13:27       ` Alexey Avramov
2021-12-06  9:59         ` Michal Hocko
2022-01-09 22:59           ` Barry Song
2021-12-03 14:01     ` Oleksandr Natalenko
2021-12-12 20:15     ` Alexey Avramov
2021-12-13  9:06       ` Barry Song
2021-12-13  9:07       ` Michal Hocko
2021-12-13  8:38   ` Barry Song
2022-01-25  8:19     ` ValdikSS
2022-02-12  0:01       ` Barry Song

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