On Mon, May 7, 2018 at 12:28 PM, Jeff Moyer <jmoyer(a)redhat.com> wrote:
Dan Williams <dan.j.williams(a)intel.com> writes:
>> What's the use case?
> Use NVDIMMs as System-RAM given their potentially higher capacity than
> DDR. The expectation in that case is that data is forfeit (not
> persisted) after a crash. Any persistent use case would need to go
> through the pmem driver, filesystem-dax or device-dax.
OK, but that sounds different from what was being proposed, here. I'll
quote from above:
>>>>> But for the critical pages, which we hope them could be recovered
>>>>> from power fail or system crash, we make them to be persistent by
>>>>> storing them to NVM zone.
Hence my confusion.
Yes, now mine too, I overlooked that.