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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, p.raghav@samsung.com, dave@stgolabs.net,
	a.manzanares@samsung.com, yosryahmed@google.com,
	linux-kernel@vger.kernel.org
Subject: Re: [RFC v2 5/5] shmem: add support to ignore swap
Date: Thu, 23 Feb 2023 07:16:09 -0800	[thread overview]
Message-ID: <Y/eDOXC4+vpCCBic@infradead.org> (raw)
In-Reply-To: <20230223122631.hwvhbqxadvbm23nb@wittgenstein>

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?


  reply	other threads:[~2023-02-23 15:16 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-02-23  2:44 [RFC v2 0/5] tmpfs: add the option to disable swap Luis Chamberlain
2023-02-23  2:44 ` [RFC v2 1/5] shmem: remove check for folio lock on writepage() Luis Chamberlain
2023-02-23  2:44 ` [RFC v2 2/5] shmem: set shmem_writepage() variables early Luis Chamberlain
2023-02-23  2:44 ` [RFC v2 3/5] shmem: move reclaim check early on writepages() Luis Chamberlain
2023-02-23  2:44 ` [RFC v2 4/5] shmem: skip page split if we're not reclaiming Luis Chamberlain
2023-02-23  2:44 ` [RFC v2 5/5] shmem: add support to ignore swap Luis Chamberlain
2023-02-23 12:26   ` Christian Brauner
2023-02-23 15:16     ` Christoph Hellwig [this message]
2023-02-23 16:09       ` Christian Brauner
2023-02-23 19:43         ` Luis Chamberlain

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