Re: [patch 00/2] improve .text size on gcc 4.0 and newer compilers

[Adrian Bunk <bunk@stusta.de>]

On Mon, Jan 02, 2006 at 11:48:22AM +0100, Arjan van de Ven wrote:
> 
> > > Your uninline patch might be simple, but the safe way would be Arjan's 
> > > approach to start removing all the buggy inline's from .c files.
> > 
> > sure, that's another thing to do, but it's also clear that there's no 
> > reason to force inlines in the -Os case.
> > 
> > There are 22,000+ inline functions in the kernel right now (inlined 
> > about a 100,000 times), and we'd have to change _thousands_ of them. 
> > They are causing an unjustified code bloat of somewhere around 20-30%. 
> > (some of them are very much justified, especially in core kernel code)
> 
> my patch attacks the top bloaters, and gains about 30k to 40k (depending
> on compiler). Gaining the other 300k is going to be a LOT of churn, not
> just in amount of work... so to some degree my patch shows that it's a
> bit of a hopeless battle.

A quick grep shows at about 10.000 inline's in .c files, and nearly all 
of them should be removed.

Yes this is a serious amount of work, but it's an ideal janitorial task.

cu
Adrian

-- 

       "Is there not promise of rain?" Ling Tan asked suddenly out
        of the darkness. There had been need of rain for many days.
       "Only a promise," Lao Er said.
                                       Pearl S. Buck - Dragon Seed

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