Keith Busch <keith.busch@xxxxxxxxx> writes: >> Keith, you seem to be implying that there are platforms that won't >> support memory mode. Do you also have some insight into how customers >> want to use this, beyond my speculation? It's really frustrating to see >> patch sets like this go by without any real use cases provided. > > Right, most NFIT reporting platforms today don't have memory mode, and > the kernel currently only supports the persistent DAX mode with these. > This series adds another option for those platforms. All NFIT reporting platforms today are shipping NVDIMM-Ns, where it makes absolutely no sense to use them as regular DRAM. I don't think that's a good argument to make. > I think numactl as you mentioned is the first consideration for how > customers may make use. Dave or Dan might have other use cases in mind. Well, it sure looks like this took a lot of work, so I thought there were known use cases or users asking for this functionality. Cheers, Jeff
