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Date:   Thu, 5 May 2022 12:33:08 -0700
From:   Shakeel Butt <shakeelb@...gle.com>
To:     Yang Shi <shy828301@...il.com>,
        Suleiman Souhlal <suleiman@...gle.com>
Cc:     Johannes Weiner <hannes@...xchg.org>,
        Minchan Kim <minchan@...nel.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Michal Hocko <mhocko@...e.com>, Roman Gushchin <guro@...com>,
        Seth Jennings <sjenning@...hat.com>,
        Dan Streetman <ddstreet@...e.org>,
        Linux MM <linux-mm@...ck.org>,
        Cgroups <cgroups@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Kernel Team <kernel-team@...com>
Subject: Re: [PATCH 4/5] mm: zswap: add basic meminfo and vmstat coverage

On Thu, Apr 28, 2022 at 9:54 AM Yang Shi <shy828301@...il.com> wrote:
>
[...]
> > Yes, we have some modifications to zswap to make it work without any
> > backing real swap. Though there is a future plan to move to zram
> > eventually.
>
> Interesting, if so why not just simply use zram?
>

Historical reasons. When we started trying out the zswap, I think zram
was still in staging or not stable enough (Suleiman can give a better
answer).

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