linux-kernel - Re: Why is Shmem included in Cached in /proc/meminfo?

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Message-ID: <9fe84f08-52a6-0ed0-c4cc-639f31f9b7f5@peda.net>
Date:   Wed, 1 Sep 2021 11:57:19 +0300
From:   Mikko Rantalainen <mikko.rantalainen@...a.net>
To:     Matthew Wilcox <willy@...radead.org>,
        Vlastimil Babka <vbabka@...e.cz>
Cc:     Randy Dunlap <rdunlap@...radead.org>, linux-kernel@...r.kernel.org,
        linux-mm@...ck.org
Subject: Re: Why is Shmem included in Cached in /proc/meminfo?

Mikko Rantalainen (2021-08-30 20:26 Europe/Helsinki):
> Of course one possible solution is to keep "Cached" as is and introduce
> "Cache" with the real cache semantics (that is, it includes sum of
> (Cached - Shmem) and memory backed RAM).

That should have been "swap backed RAM", of course.