linux-kernel - Re: [PATCH] Bluetooth: btrtl: Make array extension

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Date:   Thu, 27 Sep 2018 12:27:17 +0200
From:   Marcel Holtmann <marcel@...tmann.org>
To:     Colin King <colin.king@...onical.com>
Cc:     Johan Hedberg <johan.hedberg@...il.com>,
        linux-bluetooth@...r.kernel.org, kernel-janitors@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Bluetooth: btrtl: Make array extension_sig static,
 shrinks object size

Hi Colin,

> Don't populate the array extension_sig on the stack but instead make it
> static. Makes the object code smaller by 75 bytes:
> 
> Before:
>   text	   data	    bss	    dec	    hex	filename
>  14325	   4920	      0	  19245	   4b2d	drivers/bluetooth/btrtl.o
> 
> After:
>   text	   data	    bss	    dec	    hex	filename
>  14186	   4984	      0	  19170	   4ae2	drivers/bluetooth/btrtl.o
> 
> (gcc version 8.2.0 x86_64)
> 
> Signed-off-by: Colin Ian King <colin.king@...onical.com>
> ---
> drivers/bluetooth/btrtl.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)

patch has been applied to bluetooth-next tree.

Regards

Marcel