linux-kernel - Re: [PATCH] wireless: iwlegacy: make const array static to shink object code size Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit

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Date:   Fri, 22 Sep 2017 13:32:35 +0300
From:   Kalle Valo <kvalo@...eaurora.org>
To:     Stanislaw Gruszka <sgruszka@...hat.com>
Cc:     Colin King <colin.king@...onical.com>,
        linux-wireless@...r.kernel.org, netdev@...r.kernel.org,
        kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] wireless: iwlegacy:  make const array static to shink object code size Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit

Stanislaw Gruszka <sgruszka@...hat.com> writes:

> On Thu, Sep 21, 2017 at 11:56:30PM +0100, Colin King wrote:
>> From: Colin Ian King <colin.king@...onical.com>
>> 
>> Don't populate const array ac_to_fifo on the stack in an inlined
>> function, instead make it static.  Makes the object code smaller
>> by over 800 bytes:
>> 
>>    text	   data	    bss	    dec	    hex	filename
>>  159029	  33154	   1216	 193399	  2f377	4965-mac.o
>> 
>>    text	   data	    bss	    dec	    hex	filename
>>  158122	  33250	   1216	 192588	  2f04c	4965-mac.o
>> 
>> (gcc version 7.2.0 x86_64)
>> 
>> Signed-off-by: Colin Ian King <colin.king@...onical.com>
>
> Content type information was added at the end of the topic, but
> I think Kalle can fix that when he will be committing the patch.

Yeah, I'll fix that when I commit this. But very good that you pointed
it out, I might miss stuff like this.

I'll also remove the "wireless:" prefix from the title.

-- 
Kalle Valo