To: rzryyvzy <rzryyvzy@trashmail.net>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Is there a memory block device?
In-Reply-To: Your message of "Tue, 26 Feb 2008 19:53:36 +0100."
             <20080226185336.9771B58477AE1@trashmail.net>
From: Valdis.Kletnieks@vt.edu
References: <20080226185336.9771B58477AE1@trashmail.net>
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Date: Tue, 26 Feb 2008 14:07:38 -0500
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On Tue, 26 Feb 2008 19:53:36 +0100, rzryyvzy said:
> 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)?

A better question would be:

What problem are you trying to solve by ysing a "memory block device"?  There
may well be other approaches that would work better, but it's hard to say.
Are you trying to avoid the buffer cache pool?  Ensure pages are in physical
memory? Or some other problem?

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