[linux-dvb] Re: refactoring

[Holger Waechtler <holger@qanu.de>]

Gerd Knorr wrote:

> > > stripped-down frontend drivers are a few 100bytes ... 2.5kB which is
> > > kind of tiny compared to the i2c core. Most card drivers will get linked
> > > together with less than 3 frontend drivers.
> > >      
> > I need a copy of your compiler, as it has an extremely effective size 
> > optimizer :) Mine comes out as ~160kb without ksyms and with size opt.
> >    
> It's actually somewhere inbetween.  lsmod shows the code size of the
> loaded modules:
>
> ves1x93                 8536  0 
> tda1004x               16708  0 
> stv0299                16520  0 
> sp887x                  8772  0 
> nxt6000                 9156  0 
> mt352                  10884  0 
> mt312                   9796  0 
> grundig_29504_491       7044  0 
> grundig_29504_401       9352  0 
> dib3000mb              12736  0 
> cx24110                 9944  0 
> cx22702                10372  0 
> alps_tdmb7              7620  0 
> alps_tdlb7              8716  0 
> That is between 2 and 5 pages per module, maybe it goes down a bit with
> the cleanups, but probably not much.  i2c size to compare with:
>  
linked-in drivers don't add entire pages but the exact number of bytes 
in their code and data segments.

Holger