On Thu, 19 Feb 2026 09:11:24 -0800 "JP Kobryn (Meta)" <[email protected]> wrote:
> There are situations where reclaim kicks in on a system with free memory. > One possible cause is a NUMA imbalance scenario where one or more nodes are > under pressure. It would help if we could easily identify such nodes. > > Move the pgscan, pgsteal, and pgrefill counters from vm_event_item to > node_stat_item to provide per-node reclaim visibility. With these counters > as node stats, the values are now displayed in the per-node section of > /proc/zoneinfo, which allows for quick identification of the affected > nodes. This runs afoul of https://lkml.kernel.org/r/[email protected]. Please redo against mm.git's mm-new branch?
