linux-kernel - Re: [PATCH] memory: tegra: make the array list static const, makes object smaller

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Message-ID: <YR6UXM7QXEBGGqLK@orome.fritz.box>
Date:   Thu, 19 Aug 2021 19:26:52 +0200
From:   Thierry Reding <thierry.reding@...il.com>
To:     Colin King <colin.king@...onical.com>
Cc:     Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org,
        linux-tegra@...r.kernel.org
Subject: Re: [PATCH] memory: tegra: make the array list static const, makes
 object smaller

On Thu, Aug 19, 2021 at 02:31:55PM +0100, Colin King wrote:
> From: Colin Ian King <colin.king@...onical.com>
> 
> Don't populate the array list on the stack but instead it
> static const. Makes the object code smaller by 110 bytes:
> 
> Before:
>    text    data     bss     dec     hex filename
>   37713   21992      64   59769    e979 .../tegra/tegra210-emc-cc-r21021.o
> 
> After:
>    text    data     bss     dec     hex filename
>   37539   22056      64   59659    e90b .../tegra/tegra210-emc-cc-r21021.o
> 
> (gcc version 10.3.0)
> 
> Signed-off-by: Colin Ian King <colin.king@...onical.com>
> ---
>  drivers/memory/tegra/tegra210-emc-cc-r21021.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Wow, didn't think this was going to save us 110 bytes. Nice one!

Acked-by: Thierry Reding <treding@...dia.com>

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