Re: [PATCH v5 2/3] mm: add system wide stats items category

From: David Rientjes
Date: Sun Aug 11 2024 - 16:25:10 EST


On Fri, 9 Aug 2024, Pasha Tatashin wrote:

> /proc/vmstat contains events and stats, events can only grow, but stats
> can grow and shrink.
>
> vmstat has the following:
> -------------------------
> NR_VM_ZONE_STAT_ITEMS: per-zone stats
> NR_VM_NUMA_EVENT_ITEMS: per-numa events
> NR_VM_NODE_STAT_ITEMS: per-numa stats
> NR_VM_WRITEBACK_STAT_ITEMS: system-wide background-writeback and
> dirty-throttling tresholds.
> NR_VM_EVENT_ITEMS: system-wide events
> -------------------------
>
> Rename NR_VM_WRITEBACK_STAT_ITEMS to NR_VM_STAT_ITEMS, to track the
> system-wide stats, we are going to add per-page metadata stats to this
> category in the next patch.
>
> Also delete unused writeback_stat_name() function.
>
> Suggested-by: Yosry Ahmed <yosryahmed@xxxxxxxxxx>
> Signed-off-by: Pasha Tatashin <pasha.tatashin@xxxxxxxxxx>
> Acked-by: David Hildenbrand <david@xxxxxxxxxx>

Acked-by: David Rientjes <rientjes@xxxxxxxxxx>