On Wed, 5 Dec 2018, Pingfan Liu wrote: > > > And rather than using first_online_node, would next_online_node() work? > > > > > What is the gain? Is it for memory pressure on node0? > > > Maybe I got your point now. Do you try to give a cheap assumption on > nearest neigh of this node? >
It's likely better than first_online_node, but probably going to be the same based on the node ids that you have reported since the nodemask will simply wrap around back to the first node.
