Re: [PATCH 1/2] mm: vmscan: Split proactive reclaim statistics from direct reclaim statistics

[Johannes Weiner]

On Tue, Mar 18, 2025 at 03:58:32PM +0800, Hao Jia wrote:
> From: Hao Jia <jiahao1@xxxxxxxxxxx>
> 
> In proactive memory reclaim scenarios, it is necessary to
> accurately track proactive reclaim statistics to dynamically
> adjust the frequency and amount of memory being reclaimed
> proactively. Currently, proactive reclaim is included in
> direct reclaim statistics, which can make these
> direct reclaim statistics misleading.
> 
> Therefore, separate proactive reclaim memory from the
> direct reclaim counters by introducing new counters:
> pgsteal_proactive, pgdemote_proactive, and pgscan_proactive,
> to avoid confusion with direct reclaim.
> 
> Signed-off-by: Hao Jia <jiahao1@xxxxxxxxxxx>

This is indeed quite useful.

Acked-by: Johannes Weiner <hannes@xxxxxxxxxxx>