linux-kernel - Re: [PATCH 0/3] debloat aic7xxx and aic79xx drivers

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Date:	Fri, 31 Aug 2007 22:20:36 +0100
From:	Denys Vlasenko <vda.linux@...glemail.com>
To:	Valdis.Kletnieks@...edu
Cc:	Hannes Reinecke <hare@...e.de>,
	Jan Engelhardt <jengelh@...putergmbh.de>,
	Matthew Wilcox <matthew@....cx>,
	Arjan van de Ven <arjan@...radead.org>,
	Adrian Bunk <bunk@...nel.org>, Andrew Morton <akpm@...l.org>,
	linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/3] debloat aic7xxx and aic79xx drivers

On Friday 31 August 2007 17:27, Valdis.Kletnieks@...edu wrote:
> On Fri, 31 Aug 2007 16:13:59 BST, Denys Vlasenko said:
> >
> >    text    data     bss     dec     hex filename
> >  261433   50018    1172  312623   4c52f linux-2.6.23-rc1.org.t/drivers/scsi/aic7xxx/built-in.o
> >  199654   50018    1172  250844   3d3dc linux-2.6.23-rc1.aic.t/drivers/scsi/aic7xxx/built-in.o
> >  184014   21314    1172  206500   326a4 linux-2.6.23-rc1.aic1.t/drivers/scsi/aic7xxx/built-in.o
> >  202378    2850    1172  206400   32640 linux-2.6.23-rc1.aic2.t/drivers/scsi/aic7xxx/built-in.o
> > 
> > 1-debloat.patch    deinlines a lot of functions
> > 2-addstatic.patch  adds statics, #ifdefs out huge amount of unused code, adds consts
> > 3-addconst.patch   adds more consts
> 
> Yowza.  Looking at aic1->aic2, it looks like 20K became 'const', and only
> 3K *wasn't* 'const'?  

Exactly. There are firmware images/patches and a lot of structures
with char* members pointing to text/messages.

Btw, aic94xx driver needs the same treatment.
--
vda
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