Re: INFO: rcu_sched detected stalls on CPUs/tasks with `kswapd` and `mem_cgroup_shrink_node`

[Peter Zijlstra]

On Thu, Dec 01, 2016 at 10:42:52AM -0800, Paul E. McKenney wrote:
> On Thu, Dec 01, 2016 at 07:09:53PM +0100, Peter Zijlstra wrote:
> > Thing is, I'm slightly uncomfortable with de-coupling rcu-sched from
> > actual schedule() calls.
> 
> OK, what is the source of your discomfort?

Good question; after a little thought its not much different from other
cases. So let me ponder this a bit more..