linux-kernel - Re: [PATCH 00/14] Pramfs: Persistent and protected ram filesystem

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Message-ID: <4A3FFF7B.8050707@am.sony.com>
Date:	Mon, 22 Jun 2009 15:02:35 -0700
From:	Tim Bird <tim.bird@...sony.com>
To:	Pavel Machek <pavel@....cz>
CC:	Marco Stornelli <marco.stornelli@...il.com>,
	Jamie Lokier <jamie@...reable.org>,
	Linux Embedded <linux-embedded@...r.kernel.org>,
	Linux Kernel <linux-kernel@...r.kernel.org>,
	Linux FS Devel <linux-fsdevel@...r.kernel.org>,
	Daniel Walker <dwalker@....ucsc.edu>
Subject: Re: [PATCH 00/14] Pramfs: Persistent and protected ram filesystem

Pavel Machek wrote:
> You are saying top goal is robustness, while the web page says (home
> page, stop using frames!):
> 
> "embedded systems have a block of non-volatile RAM seperate from
> normal system memory, i.e. of which the kernel maintains no memory
> page descriptors. For such systems it would be beneficial to mount a
> fast read/write filesystem over this "I/O memory", for storing
> frequently accessed data that must survive system reboots and power
> cycles"
> 
> Note the "frequently accessed" and "fast".
> 
> IOW the web page is confusing. It does not talk about robustness at
> all.

OK, thanks.

=============================
Tim Bird
Architecture Group Chair, CE Linux Forum
Senior Staff Engineer, Sony Corporation of America
=============================

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