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

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Date:   Wed, 24 May 2017 11:26:27 -0400
From:   Johannes Weiner <hannes@...xchg.org>
To:     Andrew Morton <akpm@...ux-foundation.org>,
        Roman Gushchin <guro@...com>
Cc:     Tejun Heo <tj@...nel.org>, Li Zefan <lizefan@...wei.com>,
        Michal Hocko <mhocko@...nel.org>,
        Vladimir Davydov <vdavydov.dev@...il.com>,
        cgroups@...r.kernel.org, linux-doc@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [PATCH] mm: per-cgroup memory reclaim stats

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@...com>
> Suggested-by: Johannes Weiner <hannes@...xchg.org>
> Cc: Johannes Weiner <hannes@...xchg.org>
> Cc: Tejun Heo <tj@...nel.org>
> Cc: Li Zefan <lizefan@...wei.com>
> Cc: Michal Hocko <mhocko@...nel.org>
> Cc: Vladimir Davydov <vdavydov.dev@...il.com>
> Cc: cgroups@...r.kernel.org
> Cc: linux-doc@...r.kernel.org
> Cc: linux-kernel@...r.kernel.org
> Cc: linux-mm@...ck.org

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

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