Messages in this thread | | | Date | Sun, 14 Dec 1997 00:35:03 +0100 (MET) | From | Geert Uytterhoeven <> | Subject | Re: >64M RAM, 256kB cache.. will I have problems? |
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On Sat, 13 Dec 1997, Pavel Machek wrote: > I would really like to make linux work nicely on machines with > dual-speed ram. I have 20Meg and only 16Meg are cacheable. When top > 4Meg are used, machine goes to speed about speed of 386... I made some > patch but it is not too good. (Mail me for it).
Please take a look at the drivers/block/z2ram.c. Some Amigas have fast 32-bit memory on the motherboard, and slow 16-bit memory on Zorro II expansion boards. The z2ram device creates a block device for the slow RAM, so you can use it as a fast swap partition.
Greetings,
Geert
-- Geert Uytterhoeven Geert.Uytterhoeven@cs.kuleuven.ac.be Wavelets, Linux/{m68k~Amiga,PPC~CHRP} http://www.cs.kuleuven.ac.be/~geert/ Department of Computer Science -- Katholieke Universiteit Leuven -- Belgium
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