linux-kernel - Re: [PATCH] mm: add config option to select the initial overcommit mode

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Message-ID: <20160513161104.330ab3d6@lxorguk.ukuu.org.uk>
Date:	Fri, 13 May 2016 16:11:04 +0100
From:	One Thousand Gnomes <gnomes@...rguk.ukuu.org.uk>
To:	Mason <slash.tmp@...e.fr>
Cc:	Michal Hocko <mhocko@...nel.org>,
	Sebastian Frias <sf84@...oste.net>, linux-mm@...ck.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] mm: add config option to select the initial overcommit
 mode

> It seems important to point out that Sebastian's patch does NOT change
> the default behavior. It merely creates a knob allowing one to override
> the default via Kconfig.
> 
> +choice
> +	prompt "Overcommit Mode"
> +	default OVERCOMMIT_GUESS
> +	depends on EXPERT

Which is still completely pointless given that its a single sysctl value
set at early userspace time and most distributions ship with things like
sysctl and /etc/sysctl.conf

We have a million other such knobs, putting them in kconfig just gets
silly.

Alan