Re: [PATCH 0/5] sched/fair: Allow account_cfs_rq_runtime() to throttle current hierarchy

From: Peter Zijlstra

Date: Thu May 28 2026 - 07:48:41 EST


On Thu, May 28, 2026 at 09:48:25AM +0000, K Prateek Nayak wrote:
> Patches also cleanly apply on top of Zecheng's optimization from [3]
> when applied on top of the same base. Peter, there is only one trivial
> conflict with sched/flat, and Zecheng's optimization is generally
> beneficial for deep hierarchies even with flattened pick.

Ah, yes, I had meant to go look at how bad that conflict was, but just
hadn't gotten around to it.

Let me go have a play.