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----- 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 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
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