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Re: [PATCH] char/mwave: make some arrays static const to make object code smaller

From Colin Ian King <colin.king@canonical.com>
Newsgroups linux.kernel
Subject Re: [PATCH] char/mwave: make some arrays static const to make object code smaller
Date 2017-07-10 17:40 +0200
Message-ID <u1IX0-6Op-7@gated-at.bofh.it> (permalink)
References <u1Iu0-6DH-61@gated-at.bofh.it> <u1INk-6L7-9@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On 10/07/17 16:28, Arnd Bergmann wrote:
> On Mon, Jul 10, 2017 at 5:08 PM, Colin King <colin.king@canonical.com> wrote:
>> From: Colin Ian King <colin.king@canonical.com>
>>
>> Don't populate arrays on the stack but make them static.  Makes
>> the object code smaller.  Also remove temporary variables that
>> have hard coded array sizes and just use ARRAY_SIZE instead and
>> wrap some lines that are wider than 80 chars to clean up some
>> checkpatch warnings.
>>
>> Before:
>>    text    data     bss     dec     hex filename
>>   11141    2008      64   13213    339d drivers/char/mwave/smapi.o
>>
>> After:
>>    text    data     bss     dec     hex filename
>>   10697    2352      64   13113    3339 drivers/char/mwave/smapi.o
>>
>> Signed-off-by: Colin Ian King <colin.king@canonical.com>
> 
> Acked-by: Arnd Bergmann <arnd@arndb.de>
> 
> Did you use a particular tool that found these variables?

I'm using some grep foo and some targeted eyeballing.

> 
> I assume you are not actually using the driver ;-)
> 

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Thread

[PATCH] char/mwave: make some arrays static const to make object code smaller Colin King <colin.king@canonical.com> - 2017-07-10 17:10 +0200
  Re: [PATCH] char/mwave: make some arrays static const to make object  code smaller Arnd Bergmann <arnd@arndb.de> - 2017-07-10 17:30 +0200
    Re: [PATCH] char/mwave: make some arrays static const to make object  code smaller Colin Ian King <colin.king@canonical.com> - 2017-07-10 17:40 +0200

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