home *** CD-ROM | disk | FTP | other *** search
- Newsgroups: comp.unix.pc-clone.32bit
- Path: sparky!uunet!math.fu-berlin.de!news.th-darmstadt.de!minnie!goofy!ckurs-2
- From: ckurs-2@goofy.uni-mainz.de (Teilnehmer am C-Kurs WS 1992_93)
- Subject: Re: idea for non-cached mem above 16M (was Which motherboard?)
- Message-ID: <2SX9KSQ@minnie.zdv.uni-mainz.de>
- Sender: ckurs-2@goofy (Teilnehmer am C-Kurs WS 1992_93)
- Nntp-Posting-Host: goofy
- Organization: Johannes Gutenberg Universitaet Mainz
- References: <17543@umd5.umd.edu> <1992Dec14.231244.22459@klaava.Helsinki.FI> <WAYNE.92Dec16112648@backbone.uucp> <1992Dec16.215109.27531@klaava.Helsinki.FI>
- Date: Fri, 18 Dec 1992 12:00:41 GMT
- Lines: 40
-
- In article <1992Dec16.215109.27531@klaava.Helsinki.FI>, torvalds@klaava.Helsinki.FI (Linus Torvalds) writes:
- |>
- |> [...]
- |>
- |> Several people have mentioned the RAM-disk idea, and yes, it would be
- |> very simple indeed, as linux already has a ramdisk option - right now it
- |> gets its memory from the low end of the 1M+ area, but changing it to use
- |> the high addresses would be very easy indeed. I never use it, though,
- |> as I find ramdisks generally silly (but it's useful at installation-time
- |> when you don't have a ready-made filesystem etc, and some people seem to
- |> perfer to have a ramdisk).
- |>
- |> After you've created the ramdisk, swapping to it is as easy as saying
- |> "mkswap /dev/ram <size> ; swapon /dev/ram". And the linux swapping
- |> routines can already handle multiple devices (or multiple swapfiles, or
- |> any combination of these), so after one device (the ramdisk) fills up,
- |> the swapping algorithms automatically use the next swap-device (thus you
- |> automatically get the best performance if you do the "swapon"s by how
- |> fast the device is: first ramdisk, then disk partition and then
- |> swapfile).
- |>
- |> [...]
- |>
- |> Linus
-
- There is another considerable option to this:
- Is it possible to use one of those old Hardware-EMS-Cards for swapping?
- They offer up to 32 MB and should be a lot faster than swapping to disk and you
- can get them cheap ... This would be helpful the for old-style 386 computers
- with slow HD's and limited RAM size (eg Amstrad: 4 MB RAM, *NO* SIMM's ...).
- Only problem that i can see is the bankswitching.
-
- +-----------------------------------------------------------------------------+
- | eMail to: kubla@MZDMZA.ZDV.UNI-MAINZ.DE |
- | sMail to: Dominik Kubla, Steinsberg 34, 5428 Nastaetten, GERMANY |
- +-----------------------------------------------------------------------------+
- | |
- | I don't like LINUX, I *LOVE* it ... |
- | |
- +-----------------------------------------------------------------------------+
-