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From: Christoph Rohland <cr@sap.com>
To: Padraig Brady <padraig@antefacto.com>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [RFC] Documentation/filesystems/tmpfs
In-Reply-To: <m3y9kqon6w.fsf@linux.local> <3C051F2D.2030804@antefacto.com>
Organisation: SAP LinuxLab
Date: 28 Nov 2001 18:37:46 +0100
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Hi Padraig,

On Wed, 28 Nov 2001, Padraig Brady wrote:
>> In contrast to RAM disks, which get allocated a fixed amount of
>> physical RAM, tmpfs grows and shrinks to accommodate the files it
>> contains and is able to swap unneeded pages out to swap space.
> 
> 
> 
> That isn't the case now since ramdisks were integrated with the
> buffer cache:

What isn't the case any more?

> $ dd if=/dev/zero of=/tmp/use_mem bs=1024 count=20000

On what filesystem is /tmp/use_mem located? What do you want to show?

Greetings
		Christoph


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