linux-kernel - Re: Is there a memory block device?

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Message-ID: <alpine.DEB.1.00.0802262044120.2694@mercury.sdinet.de>
Date:	Tue, 26 Feb 2008 20:49:15 +0100 (CET)
From:	Sven-Haegar Koch <haegar@...net.de>
To:	rzryyvzy <rzryyvzy@...shmail.net>
cc:	linux-kernel@...r.kernel.org
Subject: Re: Is there a memory block device?

On Tue, 26 Feb 2008, rzryyvzy wrote:

> I know that tmpfs is a memmory filesystem. Is there a possibility to 
> create also a memory block device?
> Is there a possibility to create for example a 1 GB memory block device 
> (from the RAM)?

There are the /dev/ram* devices, created through kernel config 
CONFIG_BLK_DEV_RAM (RAM disk support), kernel module rd.ko

But I'm not sure how to configure their size besides setting the kernel 
config option, it's a long time ago that I used them last.

c'ya
sven

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