On Fri 25-01-19 11:15:08, Dan Williams wrote: [...] > However, we should consider this along with the userspace enabling to > control which device-dax instances are set aside for hotplug. It would > make sense to have a "clear errors before hotplug" configuration > option. I am not sure I understand. Do you mean to clear HWPoison when the memory is hotadded (add_pages) or onlined (resp. move_pfn_range_to_zone)? -- Michal Hocko SUSE Labs