Re: Crash report: Broken NUMA distance map causes crash on arm64 system

[Peter Zijlstra]

On Fri, Nov 02, 2018 at 12:08:53PM +0000, John Garry wrote:
> > @@ -1337,7 +1353,7 @@ void sched_init_numa(void)
> >  	int level = 0;
> >  	int i, j, k;
> > 
> > -	sched_domains_numa_distance = kzalloc(sizeof(int) * nr_node_ids, GFP_KERNEL);
> > +	sched_domains_numa_distance = kzalloc(sizeof(int) * (nr_node_ids + 1), GFP_KERNEL);
> 
> Ahhhh, unfortuately this change in isolation is not fixing the crash for me.
> I'm still crashing in the same place repeatedly.

Hurm.. sadness, means my reproduces doesn't reproduce quite enough :/
I'll see if I can somehow get something better going.