linux-kernel - Re: [PATCH] console - Add configurable support for console charset translation

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Message-Id: <200806110908.55093.hs4233@mail.mn-solutions.de>
Date:	Wed, 11 Jun 2008 09:08:55 +0200
From:	Holger Schurig <hs4233@...l.mn-solutions.de>
To:	Adrian Bunk <adrian.bunk@...ial.fi>
Cc:	Tim Bird <tim.bird@...sony.com>,
	linux-tiny <Linux-tiny@...enic.com>,
	linux-embedded <linux-embedded@...r.kernel.org>,
	linux kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] console - Add configurable support for console charset translation

> Does the linux-tiny approach of adding a kconfig variable for
> each 5kB of code actually make sense? I'm asking since an
> exploding amount of kconfig variables and their
> interdependencies have a not so small maintainance impact in
> the long term.

I don't want to answer for the general case, but I can answer for 
my specific case.

My device has Intel Strataflash, which have 256 kB size of 
erase-sectors. I reserved one sector for u-boot (which is 
plenty) and 4 for linux --- which uses to be plenty in the 
2.4.21 days.

It is no longer plenty, some years ago I switched one of the 
targets to 2.6.15. The 4 sectors still were ok. Some months ago 
I switched to 2.6.24/2.6.25 and now space is VERY scarce. Just 
yesterday, when I trashed unionfs because of some misbehavior I 
couldn't fix by myself and went with aufs. Now my kernel 
suddenly became 14 kB too big for my device.

Now, tiny-linux patches are at 2.6.23, but I could still adapt a 
bunch of them to 2.6.25 and with that and some changed configs 
my headroom is now again 26460 bytes. Unfortunately, my custom 
boot logo had to go :-/
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