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SubjectRe: [RFC][PATCH v2 08/21] mm: introduce and export pgdat peer_node
On Wed, 26 Dec 2018, Fengguang Wu wrote:

> Each CPU socket can have 1 DRAM and 1 PMEM node, we call them "peer nodes".
> Migration between DRAM and PMEM will by default happen between peer nodes.

Which one does numa_node_id() point to? I guess that is the DRAM node and
then we fall back to the PMEM node?

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