On Wed, May 09, 2018 at 12:14:54PM +0200, Peter Zijlstra wrote: > On Mon, May 07, 2018 at 05:01:34PM -0400, Johannes Weiner wrote: > > diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h > > index 15750c222ca2..1658477466d5 100644 > > --- a/kernel/sched/sched.h > > +++ b/kernel/sched/sched.h [...] > What's all this churn about? The psi callbacks in kernel/sched/stat.h use these rq lock functions from this file, but sched.h includes stat.h before those definitions. I'll move this into a separate patch with a proper explanation.