Fengguang Wu <fengguang.wu@xxxxxxxxx> writes: > From: Fan Du <fan.du@xxxxxxxxx> > > When allocate page, DRAM and PMEM node should better not fall back to > each other. This allows migration code to explicitly control which type > of node to allocate pages from. > > With this patch, PMEM NUMA node can only be used in 2 ways: > - migrate in and out > - numactl Can we achieve this using nodemask? That way we don't tag nodes with different properties such as DRAM/PMEM. We can then give the flexibilility to the device init code to add the new memory nodes to the right nodemask -aneesh
