Re: [PATCH -next] cgroup: increase maximum subsystem count from 16 to 32

[JP Kobryn]

Hi Chen,

On 1/28/26 10:31 PM, Chen Ridong wrote:
> From: Chen Ridong <chenridong@xxxxxxxxxx>
>
> The current cgroup subsystem limit of 16 is insufficient, as the number of
> subsystems has already reached this maximum. Attempting to add new
> subsystems beyond this limit results in boot failures.
>
> This patch increases the maximum number of supported cgroup subsystems from
> 16 to 32, providing adequate headroom for future subsystem additions.
>
> Signed-off-by: Chen Ridong <chenridong@xxxxxxxxxx>
> ---
[...]

I gave this a run with with 32 controllers enabled (16 pre-existing, 16
custom) and can confirm it works as expected.

Tested-by: JP Kobryn <inwardvessel@xxxxxxxxx>
Acked-by: JP Kobryn <inwardvessel@xxxxxxxxx>