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To: Mike Galbraith <mikeg@wen-online.de>
Cc: linux-kernel <linux-kernel@vger.kernel.org>,
        Alan Cox <alan@lxorguk.ukuu.org.uk>
Subject: Re: [patch?] RAMFS
In-Reply-To: <Pine.Linu.4.10.10102040713280.663-100000@mikeg.weiden.de>
From: Christoph Rohland <cr@sap.com>
In-Reply-To: <Pine.Linu.4.10.10102040713280.663-100000@mikeg.weiden.de>
Message-ID: <m3r91en5jj.fsf@linux.local>
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Date: 04 Feb 2001 10:53:28 +0100
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Mike Galbraith <mikeg@wen-online.de> writes:

> However, tmpfs appears to cover the functionality provided by ramfs.
> Are there any uses for ramfs which can't be handled by tmpfs?

Nothing I know of.

> The only thing I could think of was "what if you don't have a
> swap device up and running".  Seems it doesn't need one :))

Yes and no. tmpfs has a little bit overhead for the noswap case but
this overhead is in the kernel anyways for shared anon mappings. The
whole vm is using swap unconditionally.

Greetings
                Christoph



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