> tasks. IMHO with the reliable active_mm information we have in 2.3.x (so
> being sure to do the right thing) using a +5 should not hurt (maybe we
> could remove 4 points from the per-processor penality?).
Search the kernel archives for late 2.1.x about jumpy SMP behaviour. People
traced problems back to the processor favouritism.
I also saw no difference on performance when testing multi-cpu load stuff
with different values. I think Ingo also did some stuff with this
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