How to remove unused configs from kernel?

[Duane Attaway]

On Fri, 26 Dec 2008, Sean Crago wrote:

> Actually, the question is "is there value in such an exercise on
> modern equipment?" I'm not sure that there isn't, but I'm far from
> certain that there is. I can see this dramatically cutting down build
> time (relevant maybe once ever 2-3 weeks), and I can see this having a
> substantial impact on embedded equipment (only really relevant on the
> first build), but neither of those things really effects what one does
> on a day to day basis. Given modern equipment, is there a substantial
> benefit to jumping through all of these extra hoops to optimize a
> kernel? On a related note, are there any substantial and significant
> reasons not to just run stock kernels at this point?

I have a few ARM powered boards with 32MB and less.  Small kernel size 
makes a big difference in embedded equipment.  Sometimes the memory and 
cache size is kept small, which greatly reduces power.  An optimized 
kernel makes a big difference.

-=Duane
http://www.dattaway.net