Hi Linus, Paul, Benno, ...,

[patch against  linux-2.4.0-test3-pre2]

I cleaned up kswapd and moved its reschedule point.
Disk performance is close to the same.
Latencies have improved a lot (tested with Bennos latencytest)

* sync is still problematic
* mmap002 (Quintinela) still gives a 212 ms latency 
  (compared to 423 ms for the unpatched...)
* other disk related latencies are down under 30 ms.
  (streaming read, copy, write)
* the number of overruns has dropped considerably!
  (running 4 buffers with a deadline of 23 ms)

/RogerL

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