On Fri, May 26, 2023 at 03:22:05PM -0700, Luis Chamberlain wrote:
> Now that all the dev sysctls have been moved out we can remove the
> dev sysctl base directory. We don't need to create base directories,
> they are created for you as if using 'mkdir -p' with register_syctl()
> and register_sysctl_init(). For details refer to sysctl_mkdir_p()
> usage.
>
> We save 90 bytes with this changes:
>
> ./scripts/bloat-o-meter vmlinux.2.remove-sysctl-table vmlinux.3-remove-dev-table
> add/remove: 0/1 grow/shrink: 0/1 up/down: 0/-90 (-90)
> Function old new delta
> sysctl_init_bases 111 85 -26
> dev_table 64 - -64
> Total: Before=21257057, After=21256967, chg -0.00%
>
> Signed-off-by: Luis Chamberlain <mcgrof@xxxxxxxxxx>
> ---
> kernel/sysctl.c | 5 -----
> 1 file changed, 5 deletions(-)
>
> diff --git a/kernel/sysctl.c b/kernel/sysctl.c
> index fa2aa8bd32b6..a7fdb828afb6 100644
> --- a/kernel/sysctl.c
> +++ b/kernel/sysctl.c
> @@ -2344,16 +2344,11 @@ static struct ctl_table debug_table[] = {
> { }
> };
>
> -static struct ctl_table dev_table[] = {
> - { }
> -};
> -
> int __init sysctl_init_bases(void)
> {
> register_sysctl_init("kernel", kern_table);
> register_sysctl_init("vm", vm_table);
> register_sysctl_init("debug", debug_table);
> - register_sysctl_init("dev", dev_table);
>
> return 0;
> }
> --
> 2.39.2
>
Reviewed-by: Joel Granados <j.granados@xxxxxxxxxxx>
--
Joel Granados
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