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From: "Bradley D. LaRonde" <brad@ltc.com>
To: <root@chaos.analogic.com>
Cc: "Thomas Capricelli" <orzel@kde.org>, <linux-kernel@vger.kernel.org>
Subject: Re: Mounting a in-ROM filesystem efficiently
Date: Thu, 13 Dec 2001 13:14:16 -0500	[thread overview]
Message-ID: <07cd01c18401$fa397db0$5601010a@prefect> (raw)
In-Reply-To: <Pine.LNX.3.95.1011213125015.444A-100000@chaos.analogic.com>

----- Original Message ----- 
From: "Richard B. Johnson" <root@chaos.analogic.com>
To: "Bradley D. LaRonde" <brad@ltc.com>
Cc: "Thomas Capricelli" <orzel@kde.org>; <linux-kernel@vger.kernel.org>
Sent: Thursday, December 13, 2001 1:02 PM
Subject: Re: Mounting a in-ROM filesystem efficiently


> Generally, ROM based stuff is compressed before being written to
> NVRAM. It's uncompressed into a RAM-Disk and the RAM-Disk is mounted.
> 
> That way, you can use, say, 2 megabytes of NVRAM to get a 10 to 20
> megabyte root file-system. This also allows /tmp and /var/log to be
> writable, which is a great help because the development environment 
> closely approximates the run-time environment.

That's perfect if you have plenty of RAM to spare.

> FYI, generally NVRAM access is sooooo slow. I don't think you'd
> like to use it directly as a file-system and access-time will be
> a problem unless you modify the kernel. 

Modify the kernel how?

Regards,
Brad


  reply	other threads:[~2001-12-13 18:14 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-12-13 16:02 Mounting a in-ROM filesystem efficiently Thomas Capricelli
2001-12-13 16:22 ` Bradley D. LaRonde
2001-12-13 16:41   ` Thomas Capricelli
2001-12-13 17:10     ` Bradley D. LaRonde
2001-12-13 18:02       ` Richard B. Johnson
2001-12-13 18:14         ` Bradley D. LaRonde [this message]
2001-12-13 18:34           ` Richard B. Johnson
2001-12-13 18:52             ` Bradley D. LaRonde
2001-12-13 19:41               ` Richard B. Johnson
2001-12-13 20:09                 ` Bradley D. LaRonde
     [not found]                 ` <08d701c18412/mnt/tmp/sendmee91d2c0601010a@prefect>
2001-12-18  1:27                   ` Pavel Machek
2001-12-14 11:03     ` Catalin Marinas
2001-12-13 17:49   ` David Woodhouse
2001-12-13 18:06     ` Bradley D. LaRonde
2001-12-13 20:38 ` H. Peter Anvin
2001-12-13 20:52   ` Bradley D. LaRonde
2001-12-14  9:45 ` David Woodhouse
2001-12-14 15:27   ` Bradley D. LaRonde
2001-12-14 16:51   ` David Woodhouse
2001-12-14 17:02     ` Bradley D. LaRonde
2001-12-14 17:03     ` David Woodhouse
2001-12-14 17:12       ` Bradley D. LaRonde
2001-12-14 17:16       ` David Woodhouse
2001-12-14 17:27         ` Bradley D. LaRonde
2001-12-16  9:51     ` Christoph Rohland
2002-01-23  8:01     ` Eric W. Biederman
     [not found] <20011214072540.D7457@duron.intern.kubla.de>
2001-12-17 13:24 ` Richard B. Johnson
2001-12-18 12:10   ` Helge Hafting
2001-12-18 14:00     ` Richard B. Johnson
2001-12-18 14:09       ` Alan Cox
2001-12-18 15:21         ` Mr. James W. Laferriere
2001-12-18 20:56         ` H. Peter Anvin
2001-12-18 16:27       ` Kent Borg
2001-12-18 17:05       ` Herman Oosthuysen

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