Re: [PATCH 04/31] sched: Allow sched_cgroup_fork() to fail and introduce sched_cancel_fork()

[Peter Zijlstra]

On Tue, Nov 29, 2022 at 10:22:46PM -1000, Tejun Heo wrote:
> A new sched_clas needs a bit more control over forking. This patch makes the
                 ^
                 (insufficient s's)

> following changes:
> 
> * Add sched_cancel_fork() which is called if fork fails after sched_fork()
>   succeeds so that the preparation can be undone.
> 
> * Allow sched_cgroup_fork() to fail.
> 
> Neither is used yet and this patch shouldn't cause any behavior changes.

Fails to explain why this would be needed and why that would be a good
thing. IOW, total lack of justification.