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Message-ID: <f153dd2c-574a-a303-4f54-9e1396b131f9@redhat.com>
Date:   Wed, 11 May 2022 19:13:47 +0200
From:   David Hildenbrand <david@...hat.com>
To:     Johannes Weiner <hannes@...xchg.org>,
        Andrew Morton <akpm@...ux-foundation.org>
Cc:     Michal Hocko <mhocko@...e.com>, Roman Gushchin <guro@...com>,
        Shakeel Butt <shakeelb@...gle.com>,
        Seth Jennings <sjenning@...hat.com>,
        Dan Streetman <ddstreet@...e.org>,
        Minchan Kim <minchan@...nel.org>, linux-mm@...ck.org,
        cgroups@...r.kernel.org, linux-kernel@...r.kernel.org,
        kernel-team@...com
Subject: Re: [PATCH v2 5/6] mm: zswap: add basic meminfo and vmstat coverage

On 10.05.22 17:28, Johannes Weiner wrote:
> Currently it requires poking at debugfs to figure out the size and
> population of the zswap cache on a host. There are no counters for
> reads and writes against the cache. As a result, it's difficult to
> understand zswap behavior on production systems.
> 
> Print zswap memory consumption and how many pages are zswapped out in
> /proc/meminfo. Count zswapouts and zswapins in /proc/vmstat.
> 
> Signed-off-by: Johannes Weiner <hannes@...xchg.org>

Acked-by: David Hildenbrand <david@...hat.com>


-- 
Thanks,

David / dhildenb

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