Re: /proc/config reducing kernel image size
From: Herbert Poetzl (herbert_at_13thfloor.at)
Date: 09/15/04
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Date: Wed, 15 Sep 2004 12:11:10 +0200 To: Tom Fredrik Blenning Klaussen <bfg-kernel@blenning.no>, linux-kernel@vger.kernel.org
On Tue, Sep 14, 2004 at 08:01:24PM +0200, DervishD wrote:
> Hi Tom :)
>
> * Tom Fredrik Blenning Klaussen <bfg-kernel@blenning.no> dixit:
> > > > There is no point in storing all the comments and unused options in the
> > > > kernel image. This typically reduces the config size to about 1/5th
> > > > before compressing, and to about 1/4th after compressing.
> > > I'm with you in that there is no point in storing the comments,
> > > but I disagree about the unused options. Storing the unused options
> > > as comments is more useful than it seems ;)
> > This is why I added a config option.
>
> But removing the comments is a good idea. Even reformatting the
> contents, or something like that.
>
> > > I'm not really sure about it, but I think that the unset options
> > > are left as comments for the sake of automation. The space saving
> > > doesn't (IMHO) worth the pain.
> > I'm not sure either, but I don't know of any programs that uses this.
>
> Neither do I.
well, the kernel config uses it, to decide if
some option is known, or has to be defaulted/asked
try to remove one of those 'comments' from a config
and run 'make oldconfig', you'll get asked for this
specific option ...
best,
Herbert
> > Putting this config file inside the same source tree as it was compiled
> > with, and then just starting and stopping menuconfig will restore it to
> > it's original form.
>
> That's true.
>
> Raúl Núñez de Arenas Coronado
>
> --
> Linux Registered User 88736
> http://www.pleyades.net & http://raul.pleyades.net/
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- Previous message: Darren Williams: "Re: 2.6.9-rc2 and Hyperthreading. (SMT)"
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