On Thu 25-04-19 09:21:30, Fan Du wrote: [...] > However PMEM has different characteristics from DRAM, > the more reasonable or desirable fallback style would be: > DRAM node 0 -> DRAM node 1 -> PMEM node 2 -> PMEM node 3. > When DRAM is exhausted, try PMEM then. Why and who does care? NUMA is fundamentally about memory nodes with different access characteristics so why is PMEM any special? -- Michal Hocko SUSE Labs