* Christopher Lameter <c...@linux.com> [2020-05-02 23:05:28]:
> On Fri, 1 May 2020, Srikar Dronamraju wrote:
>
> > --- a/mm/page_alloc.c
> > +++ b/mm/page_alloc.c
> > @@ -116,8 +116,10 @@ EXPORT_SYMBOL(latent_entropy);
> > */
> > nodemask_t node_states[NR_NODE_STATES] __read_mostly = {
> > [N_POSSIBLE] = NODE_MASK_ALL,
> > +#ifdef CONFIG_NUMA
> > + [N_ONLINE] = NODE_MASK_NONE,
>
> Hmmm.... I would have expected that you would have added something early
> in boot that would mark the current node (whatever is is) online instead?
Do correct me, but these are structure initialization in page_alloc.c
Wouldn't these happen much before the numa initialization happens?
I think we are already marking nodes as online as soon as we detect the
nodes.
--
Thanks and Regards
Srikar Dronamraju
