Messages in this thread | | | Date | Fri, 8 May 2020 18:35:34 +0530 | From | Srikar Dronamraju <> | Subject | Re: [PATCH v3 3/3] mm/page_alloc: Keep memoryless cpuless node 0 offline |
| |
* Christopher Lameter <cl@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
| |