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

Johannes Weiner
2017-05-24T15:26:42Z

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@fb.com>
> Suggested-by: Johannes Weiner <hannes@cmpxchg.org>
> Cc: Johannes Weiner <hannes@cmpxchg.org>
> Cc: Tejun Heo <tj@kernel.org>
> Cc: Li Zefan <lizefan@huawei.com>
> Cc: Michal Hocko <mhocko@kernel.org>
> Cc: Vladimir Davydov <vdavydov.dev@gmail.com>
> Cc: cgroups@vger.kernel.org
> Cc: linux-doc@vger.kernel.org
> Cc: linux-kernel@vger.kernel.org
> Cc: linux-mm@kvack.org

Acked-by: Johannes Weiner <hannes@cmpxchg.org>

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