linux-kernel - Re: [Intel-wired-lan] [PATCH] i40e: make const array patterns static, reduces object code size

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Message-ID: <20170922094402.00001ad2@intel.com>
Date:   Fri, 22 Sep 2017 09:44:02 -0700
From:   Jesse Brandeburg <jesse.brandeburg@...el.com>
To:     Colin King <colin.king@...onical.com>
Cc:     Jeff Kirsher <jeffrey.t.kirsher@...el.com>,
        <intel-wired-lan@...ts.osuosl.org>, <netdev@...r.kernel.org>,
        <kernel-janitors@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        jesse.brandeburg@...el.com
Subject: Re: [Intel-wired-lan] [PATCH] i40e: make const array patterns
 static, reduces object code size

On Fri, 22 Sep 2017 15:11:38 +0100
Colin King <colin.king@...onical.com> wrote:

> From: Colin Ian King <colin.king@...onical.com>
> 
> Don't populate const array patterns on the stack, instead make it
> static. Makes the object code smaller by over 60 bytes:
> 
> Before:
>    text	   data	    bss	    dec	    hex	filename
>    1953	    496	      0	   2449	    991	i40e_diag.o
> 
> After:
>    text	   data	    bss	    dec	    hex	filename
>    1798	    584	      0	   2382	    94e	i40e_diag.o
> 
> (gcc 6.3.0, x86-64)
> 
> Signed-off-by: Colin Ian King <colin.king@...onical.com>

Looks good, thanks Colin!

Acked-by: Jesse Brandeburg <jesse.brandeburg@...el.com>