Re: [PATCH] sched: Fix numabalancing to work with isolated cpus

[Peter Zijlstra]

On Thu, Apr 06, 2017 at 12:13:49PM +0200, Michal Hocko wrote:
> On Thu 06-04-17 11:23:29, Peter Zijlstra wrote:
> > On Thu, Apr 06, 2017 at 09:34:36AM +0200, Michal Hocko wrote:
> [...]
> > > I would really like to see it confirmed by the scheduler maintainers and
> > > documented properly as well. What you are claiming here is rather
> > > surprising to my understanding of what isolcpus acutally is.
> > 
> > isolcpus gets you a set of fully partitioned CPUs. What's surprising
> > about that?
> 
> Well, I thought that all isolated cpus simply form their own scheduling
> domain which is isolated from the general workload on the system
> (kthreads, softirqs etc...).

No, they all form their own 1 cpu partition.