Re: [PATCH 1/2] cgroup, docs: Be explicit about independence of RT_GROUP_SCHED and non-cpu controllers

From: Tejun Heo
Date: Wed Mar 05 2025 - 13:45:04 EST


On Wed, Mar 05, 2025 at 01:12:43PM +0900, Shashank Balaji via B4 Relay wrote:
> From: Shashank Balaji <shashank.mahadasyam@xxxxxxxx>
>
> The cgroup v2 cpu controller has a limitation that if
> CONFIG_RT_GROUP_SCHED is enabled, the cpu controller can be enabled only
> if all the realtime processes are in the root cgroup. The other
> controllers have no such restriction. They can be used for the resource
> control of realtime processes irrespective of whether
> CONFIG_RT_GROUP_SCHED is enabled or not.
>
> Signed-off-by: Shashank Balaji <shashank.mahadasyam@xxxxxxxx>

Applied to cgroup/for-6.15.

Thanks.

--
tejun