libnvdimm for 4.4: 1/ Add support for the ACPI 6.0 NFIT hot add mechanism to process updates of the NFIT at runtime. 2/ Teach the coredump implementation how to filter out DAX mappings. 3/ Introduce NUMA hints for allocations made by the pmem driver, and as a side effect all devm allocations now hint their NUMA node by default.