Gregory Price <gregory.price@xxxxxxxxxxxx> writes: [snip] > 2. During the migration process, the memory needs to be forced not to be > migrated to another node by other means (tiering software, swap, > etc). The obvious way of doing this would be to migrate and > temporarily pin the page... but going back to problem #1 we see that > ZONE_MOVABLE and Pinning are mutually exclusive. So that's > troublesome. Can we use memory policy (cpusets, mbind(), set_mempolicy(), etc.) to avoid move pages out of CXL.mem node? Now, there are gaps in tiering, but I think it is fixable. Best Regards, Huang, Ying [snip]
