linux-kernel - Re: [PATCH 14/15] hyper-v/azure: Remove now superfluous sentinel element from ctl

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Date:   Thu, 28 Sep 2023 15:26:16 +0000
From:   Wei Liu <wei.liu@...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>,
        Clemens Ladisch <clemens@...isch.de>,
        Arnd Bergmann <arnd@...db.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Juergen Gross <jgross@...e.com>,
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        Oleksandr Tyshchenko <oleksandr_tyshchenko@...m.com>,
        Jiri Slaby <jirislaby@...nel.org>,
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Subject: Re: [PATCH 14/15] hyper-v/azure: Remove now superfluous sentinel
 element from ctl_table array

Please change the prefix to "Drivers: hv:" in the subject line in the
two patches.

On Thu, Sep 28, 2023 at 03:21:39PM +0200, Joel Granados via B4 Relay 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 hv_ctl_table
> 
> Signed-off-by: Joel Granados <j.granados@...sung.com>
> ---
>  drivers/hv/hv_common.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/drivers/hv/hv_common.c b/drivers/hv/hv_common.c
> index ccad7bca3fd3..bc7d678030aa 100644
> --- a/drivers/hv/hv_common.c
> +++ b/drivers/hv/hv_common.c
> @@ -147,8 +147,7 @@ static struct ctl_table hv_ctl_table[] = {
>  		.proc_handler	= proc_dointvec_minmax,
>  		.extra1		= SYSCTL_ZERO,
>  		.extra2		= SYSCTL_ONE
> -	},
> -	{}
> +	}

Please keep the comma at the end.

>  };
>  
>  static int hv_die_panic_notify_crash(struct notifier_block *self,
> 
> -- 
> 2.30.2
>