linux-kernel - Re: [PATCH 13/15] raid: Remove now superfluous sentinel element from ctl

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Date:   Thu, 28 Sep 2023 08:20:34 -0700
From:   Song Liu <song@...nel.org>
To:     j.granados@...sung.com
Cc:     Luis Chamberlain <mcgrof@...nel.org>, willy@...radead.org,
        josh@...htriplett.org, Kees Cook <keescook@...omium.org>,
        Phillip Potter <phil@...lpotter.co.uk>,
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        Arnd Bergmann <arnd@...db.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Juergen Gross <jgross@...e.com>,
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        Jiri Slaby <jirislaby@...nel.org>,
        "James E.J. Bottomley" <jejb@...ux.ibm.com>,
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        Jani Nikula <jani.nikula@...ux.intel.com>,
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        intel-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org
Subject: Re: [PATCH 13/15] raid: Remove now superfluous sentinel element from
 ctl_table array

On Thu, Sep 28, 2023 at 6:20 AM Joel Granados via B4 Relay
<devnull+j.granados.samsung.com@...nel.org> wrote:
>
> From: Joel Granados <j.granados@...sung.com>
>
> This commit comes at the tail end of a greater effort to remove the
> empty elements at the end of the ctl_table arrays (sentinels) which
> will reduce the overall build time size of the kernel and run time
> memory bloat by ~64 bytes per sentinel (further information Link :
> https://lore.kernel.org/all/ZO5Yx5JFogGi%2FcBo@bombadil.infradead.org/)
>
> Remove sentinel from raid_table
>
> Signed-off-by: Joel Granados <j.granados@...sung.com>
> ---
>  drivers/md/md.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/drivers/md/md.c b/drivers/md/md.c
> index a104a025084d..3866d8f754a0 100644
> --- a/drivers/md/md.c
> +++ b/drivers/md/md.c
> @@ -304,8 +304,7 @@ static struct ctl_table raid_table[] = {
>                 .maxlen         = sizeof(int),
>                 .mode           = S_IRUGO|S_IWUSR,
>                 .proc_handler   = proc_dointvec,
> -       },
> -       { }
> +       }
>  };

Please keep "}," as Greg suggested. Otherwise,

Acked-by: Song Liu <song@...nel.org>

Thanks,
Song