On Mon, 29 Jan 2024 14:42:03 -0800 Sourav Panda <souravpanda@xxxxxxxxxx> wrote: > This patch adds two new per-node fields, namely nr_page_metadata and > nr_page_metadata_boot to /sys/devices/system/node/nodeN/vmstat and a > global PageMetadata field to /proc/meminfo. This information can be > used by users to see how much memory is being used by per-page > metadata, which can vary depending on build configuration, machine > architecture, and system use. I'm not seeing why this is very useful. OK, you look at it and it tells you a number, but what action can a user take based upon that number? Please tell us more about the value of this, the use cases, what prompted you to expend effort on this.
