Re: [PATCH] mm: per-cgroup memory reclaim stats

[Johannes Weiner]

On Thu, May 11, 2017 at 08:16:23PM +0100, Roman Gushchin wrote:
> Track the following reclaim counters for every memory cgroup:
> PGREFILL, PGSCAN, PGSTEAL, PGACTIVATE, PGDEACTIVATE, PGLAZYFREE and
> PGLAZYFREED.
> 
> These values are exposed using the memory.stats interface of cgroup v2.
> 
> The meaning of each value is the same as for global counters,
> available using /proc/vmstat.
> 
> Also, for consistency, rename mem_cgroup_count_vm_event() to
> count_memcg_event_mm().
> 
> Signed-off-by: Roman Gushchin <guro@xxxxxx>
> Suggested-by: Johannes Weiner <hannes@xxxxxxxxxxx>
> Cc: Johannes Weiner <hannes@xxxxxxxxxxx>
> Cc: Tejun Heo <tj@xxxxxxxxxx>
> Cc: Li Zefan <lizefan@xxxxxxxxxx>
> Cc: Michal Hocko <mhocko@xxxxxxxxxx>
> Cc: Vladimir Davydov <vdavydov.dev@xxxxxxxxx>
> Cc: cgroups@xxxxxxxxxxxxxxx
> Cc: linux-doc@xxxxxxxxxxxxxxx
> Cc: linux-kernel@xxxxxxxxxxxxxxx
> Cc: linux-mm@xxxxxxxxx

Acked-by: Johannes Weiner <hannes@xxxxxxxxxxx>

Andrew, if there aren't any other objections, could you pick this one
up please?