On Mon, Jun 17, 2019 at 12:59 PM Christoph Hellwig <hch@xxxxxx> wrote: > > On Mon, Jun 17, 2019 at 12:02:09PM -0700, Dan Williams wrote: > > Need a lead in patch that introduces MEMORY_DEVICE_DEVDAX, otherwise: > > Or maybe a MEMORY_DEVICE_DEFAULT = 0 shared by fsdax and p2pdma? I thought about that, but it seems is_pci_p2pdma_page() needs the distinction between the 2 types.