linux-kernel - Re: [PATCH v2] video/sis: Use SiS_DRAMType from init.h and annotate it _

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Date:	Thu, 03 May 2012 21:48:00 +0000
From:	Florian Tobias Schandinat <FlorianSchandinat@....de>
To:	Peter Hüwe <PeterHuewe@....de>
CC:	Thomas Winischhofer <thomas@...ischhofer.net>,
	linux-fbdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] video/sis: Use SiS_DRAMType from init.h and annotate
 it __devinitconst

Hi Peter,

On 05/03/2012 09:40 PM, Peter Hüwe wrote:
> Hi Florian,
> 
>> As far as I can see it should be possible to keep the array in
>> sis_main.c and just delete it in the header files, shouldn't it? I'd
>> prefer to do it this way.
> 
> Yes it is absolutely possible to leave it in sis_main.c and remove it from the 
> header files. I already thought about this when creating the patch, but 
> decided against it, as the 17*5 = 85 bytes are allocated on the stack, while 
> they nicely can be put in the .devinit.rodata section ;)

You can still mark it as __devinitconst, I just wanted to have the array
inside a C file, not a header. If you agree with this, I'll change your
new patch that way.

> 
> With the patch:
> 344072  sis_main.o
> 1200950 sisfb.o
> 1217491 sisfb.ko
> 
> vs without the patch and removing it only from the header:
>  344176  sis_main.o
> 1201056  sisfb.o
> 1217597  sisfb.ko -> ~100bytes more in the final module.
> 
> However I'm fine with this  and will remove it from the header and squash this 
> together with the 
> "video/sis: Remove unused structs SiS_SDRDRAM_TYPE/SiS_DDRDRAM_TYPE"
> I also sent to you.

Thanks,

Florian Tobias Schandinat
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