Re: [PATCH] fs/drop_caches: move drop_caches sysctls into its own file

[Matthew Wilcox]

On Tue, Mar 21, 2023 at 09:09:07PM +0800, Yangtao Li wrote:
> +static struct ctl_table drop_caches_table[] = {
> +	{
> +		.procname	= "drop_caches",
> +		.data		= &sysctl_drop_caches,
> +		.maxlen		= sizeof(int),
> +		.mode		= 0200,
> +		.proc_handler	= drop_caches_sysctl_handler,
> +		.extra1		= SYSCTL_ONE,
> +		.extra2		= SYSCTL_FOUR,
> +	},
> +	{}
> +};

Could we avoid doing this until we no longer need an entire zero entry
after the last one?  Also, please post scripts/bloat-o-meter results
for before-and-after.