Subject: Re: cheap performance boost tip
To: Todd Whitesel <toddpw@best.com>
From: Jason Thorpe <thorpej@nas.nasa.gov>
List: port-arm32
Date: 08/30/1998 03:22:25
On Sun, 30 Aug 1998 02:56:10 -0700 (PDT) 
 Todd Whitesel <toddpw@best.com> wrote:

 > If you have not enabled the memory file system, do it and mount it as /tmp.
 > 
 > 1. Enable/uncomment these lines in your kernel config and rebuild if needed:
 > 
 > 	file-system	MFS		# memory file system
 > 	pseudo-device	md	1	# memory disk device (ramdisk)

"md" is not required for MFS, fyi...

 > 2. Add this line to your /etc/fstab:
 > 
 > 	/dev/wd0b	/tmp	mfs	rw,-s=81920	0 0

...I actually prefer using "swap" instead of an actual partition name.

This is only used to compute the geometry that the file system will
use (remember, MFS == FFS in memory :-), and mount_mfs fakes a reasonable
one for you if you specify "swap".

Jason R. Thorpe                                       thorpej@nas.nasa.gov
NASA Ames Research Center                            Home: +1 408 866 1912
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