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Re: R5000 Unused memory (was: R4000SC...)

To: Mitchell Blank Jr <mitch@execpc.com>, linux-mips@fnet.fr, linux@engr.sgi.com
Subject: Re: R5000 Unused memory (was: R4000SC...)
From: ralf@uni-koblenz.de
Date: Wed, 4 Nov 1998 05:57:31 +0100
In-reply-to: <19981022194442.27891@execpc.com>; from Mitchell Blank Jr on Thu, Oct 22, 1998 at 07:44:42PM -0500
References: <19981017104618.A3076@zigzegv.ml.org> <19981018111145.J4768@uni-koblenz.de> <19981019111501.A16024@zigzegv.ml.org> <1998102010305 <19981020103052.G676@uni-koblenz.de> <19981021134544.A30452@zigzegv.ml.org> <19981021233814.A3030@alpha.franken.de> <19981022090933.A879@bun.falkenberg.se> <362F69B5.AB94E713@xmission.com> <19981022194442.27891@execpc.com>
On Thu, Oct 22, 1998 at 07:44:42PM -0500, Mitchell Blank Jr wrote:

> Eric Jorgensen wrote:
> >     Yes and no. Personally I find the concept of running a modern system
> > without available swap somewhat perilous.
> 
> What about if you don't have any disk nor any rw filesystems?  Not unusual
> in imbedded applications.  The only way to get around it now apparently is
> to set up a ram disk and swap to that -- hardly effecient or useful
> (except in the case where some RAM is slower).
> 
> A typical UNIX workstation or server should always have swap -- there are
> always some gettys or something that might as well be swapped out to make
> room for more disk cache.  There are applications, however, where swap
> is just not an option.

Linux cannot swap to NFS, so that behaviour in absence is pretty much a
showstopper for diskless apps.

  Ralf

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