Subject: Re: [PATCH 00/15] tick/sched: Refactor idle cputime accounting

From: Peter Zijlstra <[email-masked]>
Date: Mon, 19 Jan 2026 15:53:30 +0100

On Fri, Jan 16, 2026 at 03:51:53PM +0100, Frederic Weisbecker wrote:
>  kernel/sched/cputime.c             | 302 +++++++++++++++++++++++++++++++------

My editor feels strongly about the below; with that it still has one
complaint about paravirt_steal_clock() which does not have a proper
declaration.

diff --git a/kernel/sched/cputime.c b/kernel/sched/cputime.c
index 7ff8dbec7ee3..248232fa6e27 100644
--- a/kernel/sched/cputime.c
+++ b/kernel/sched/cputime.c
@@ -2,6 +2,7 @@
 /*
  * Simple CPU accounting cgroup controller
  */
+#include <linux/sched/clock.h>
 #include <linux/sched/cputime.h>
 #include <linux/tsacct_kern.h>
 #include "sched.h"