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Date:   Thu, 23 Feb 2023 07:16:09 -0800
From:   Christoph Hellwig <hch@infradead.org>
To:     Christian Brauner <brauner@kernel.org>
Cc:     Luis Chamberlain <mcgrof@kernel.org>, hughd@google.com,
        akpm@linux-foundation.org, willy@infradead.org, linux-mm@kvack.org,
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        yosryahmed@google.com, linux-kernel@vger.kernel.org
Subject: Re: [RFC v2 5/5] shmem: add support to ignore swap
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On Thu, Feb 23, 2023 at 01:26:31PM +0100, Christian Brauner wrote:
> We would have use-cases for this in systemd. We currently use ramfs for
> systemd's credential logic since ramfs is unswappable. It'd be very neat
> if we could use tmpfs instead,

What is the advantage of using a swapless tmpfs over ramf?