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.