Re: Slowmem support - turn uncacheable mem into ramdisk

Brad Keryan (keryan@andrew.cmu.edu)
Tue, 10 Mar 1998 13:32:10 -0500 (EST)


On Tue, 10 Mar 1998, Rik van Riel wrote:

> On Mon, 9 Mar 1998, Pavel Machek wrote:
>
[snip]
> > It is based on 2.0 patch by keryan@andrew.cmu.edu. Is such kludge for
> > broken (but frequent) hw acceptable in standart tree? What should be
> > done to get it in?
>
> It should be:
> - clean
> - have no special added hacks (what I described above can be
> done cleanly)
> - markable as a special 'fastswap' area, so kswapd knows what
> to do (maybe fiddle with swap priorities?)
>

So far I've been just setting my slram swap partition to have a higher
priority than my other swap partitions, but it seems that kswapd would at
least need to know how much fastswap there is.

One other thing I think it would need before it could get into the
mainstream kernel: a non-experimental major number. Right now it uses 123.

Brad

---
"Criminals today have guns. Soon they will have computers and other weapons 
of mass destruction." -Janet Reno

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