linux-kernel - Re: [PATCH] Add Kconfig option for default swappiness

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Message-ID: <AANLkTimDPdDHAg0Odp0WchOLKh3OUSOWX7_0ps8eizFk@mail.gmail.com>
Date:	Tue, 2 Nov 2010 23:34:27 +0900
From:	Hiroyuki Kamezawa <kamezawa.hiroyuki@...il.com>
To:	Ben Gamari <bgamari.foss@...il.com>
Cc:	David Rientjes <rientjes@...gle.com>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	linux-mm@...ck.org, linux-kernel@...r.kernel.org,
	Jesper Juhl <jj@...osbits.net>,
	Wu Fengguang <fengguang.wu@...el.com>
Subject: Re: [PATCH] Add Kconfig option for default swappiness

2010/11/2 Ben Gamari <bgamari.foss@...il.com>:
> On Mon, 1 Nov 2010 20:33:10 -0700 (PDT), David Rientjes <rientjes@...gle.com> wrote:
>> And they can't use an init script to tune /proc/sys/vm/swappiness
>> because...?
>
> Packaging concerns, as I mentioned before,
>
> On Mon, Nov 01, 2010 at 08:52:30AM -0400, Ben Gamari wrote:
>> Ubuntu ships different kernels for desktop and server usage. From a
>> packaging standpoint it would be much nicer to have this set in the
>> kernel configuration. If we were to throw the setting /etc/sysctl.conf
>> the kernel would depend upon the package containing sysctl(8)
>> (procps). We'd rather avoid this and keep the default kernel
>> configuration in one place.
>
> In short, being able to specify this default in .config is just far
> simpler from a packaging standpoint than the alternatives.
>
Hmm, then, can't we add a sysctl template config/script for generic
sysctl values ?
Adding this kind of CONFIG one by one seems not very helpful...

Thanks,
-Kame
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