Subject: Re: mfs woes
To: Jukka Marin <>
From: Wojciech Puchar <>
List: tech-kern
Date: 07/14/2004 21:03:03
> On Tue, Jul 13, 2004 at 11:17:20PM -0400, Steven M. Bellovin wrote:
>> Given the new buffer cache architecture, I've been wondering if mfs
>> even makes sense these days.  Perhaps a disk partition mounted with
>> async would provide comparable performance?
> How about diskless systems?  Or systems with only a FLASH disk?  mfs is
> good for those.

if you can't swap - real simple ramdisk like md(4) works better. you can 
embed it in kernel, or create after startup.

mfs could look better as it use memory when it needs, but not exactly.
it doesn't free up unused memory.