[PATCH 4/4] powerpc/numa: Set fallback nodes for offline nodes

[Srikar Dronamraju]

* Bharata B Rao <bharata at linux.ibm.com> [2020-03-17 19:52:32]:

Thanks Bharata.

> This patchset can also fix a related problem that I reported earlier at
> https://lists.ozlabs.org/pipermail/linuxppc-dev/2020-March/206076.html
> with an additional change, suggested by Srikar as shown below:
> 
> >  
> > -	for_each_online_node(node) {
> > +	for_each_node(node) {
> > +		/*
> > +		 * For all possible but not yet online nodes, ensure their
> > +		 * node_numa_mem is set correctly so that kmalloc_node works
> > +		 * for such nodes.
> > +		 */
> > +		if (!node_online(node)) {
> 
> Change the above line to like below:
> 
> +               if (!node_state(node, N_MEMORY)) {
> 

Just to clarify, this is needed if we don't have
http://lore.kernel.org/lkml/20200311110237.5731-1-srikar@linux.vnet.ibm.com/t/#u


-- 
Thanks and Regards
Srikar Dronamraju