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Message-ID: <268158e3-00d6-b9c3-34a4-e8ce8e464276@canonical.com>
Date: Thu, 12 Oct 2017 17:17:49 +0100
From: Colin Ian King <colin.king@...onical.com>
To: Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>
Cc: Benjamin Herrenschmidt <benh@...nel.crashing.org>,
linux-fbdev@...r.kernel.org, kernel-janitors@...r.kernel.org,
linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org
Subject: Re: [PATCH] video: fbdev: radeon: make const array post_divs static,
reduces object code size
On 12/10/17 17:17, Bartlomiej Zolnierkiewicz wrote:
>
> [ added dri-devel ML to cc: ]
>
> On Tuesday, September 19, 2017 10:32:01 PM Colin King wrote:
>> From: Colin Ian King <colin.king@...onical.com>
>>
>> Don't populate the read-only const array post_divs on the stack,
>> nstead make it static. Makes the object code smaller by 90 bytes:
>>
>> Before:
>> text data bss dec hex filename
>> 40231 8584 896 49711 c22f radeon_base.o
>>
>> After:
>> text data bss dec hex filename
>> 39914 8744 960 49618 c1d2 radeon_base.o
>>
>> Signed-off-by: Colin Ian King <colin.king@...onical.com>
>
> Are these results obtained using the same compiler as the other patches
> (gcc version 7.2.0, x86_64)?
Yes, I forgot to annotate it.
Colin
>
> Best regards,
> --
> Bartlomiej Zolnierkiewicz
> Samsung R&D Institute Poland
> Samsung Electronics
>
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