Re: [PATCH] mm: vmscan: consistent update to pgrefill

[Roman Gushchin]

On Fri, Jul 10, 2020 at 06:14:59PM -0700, Shakeel Butt wrote:
> The vmstat pgrefill is useful together with pgscan and pgsteal stats to
> measure the reclaim efficiency. However vmstat's pgrefill is not updated
> consistently at system level. It gets updated for both global and memcg
> reclaim however pgscan and pgsteal are updated for only global reclaim.
> So, update pgrefill only for global reclaim. If someone is interested in
> the stats representing both system level as well as memcg level reclaim,
> then consult the root memcg's memory.stat instead of /proc/vmstat.
> 
> Signed-off-by: Shakeel Butt <shakeelb@xxxxxxxxxx>

So you went into the opposite direction from the "previous version"
( https://lkml.org/lkml/2020/5/7/1464 ) ?

Acked-by: Roman Gushchin <guro@xxxxxx>

Thanks!