On Mon, May 7, 2018 at 12:28 PM, Jeff Moyer <jmoyer@xxxxxxxxxx> wrote: > Dan Williams <dan.j.williams@xxxxxxxxx> 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.
