On Thu, 20 Feb 2003, Andrew Morton wrote:
> I think the guiding principle here is that we should not optimise for the
> uncommon case (as rmap is doing), and we should not allow the uncommon case
> to be utterly terrible (as Dave's patch can do).
This "guiding principle" appears to be the primary reason why
we've taken over a year to stabilise linux 2.0 and linux 2.2
and linux 2.4 ... or at least, too much of a focus on the first
half of this guiding principle. ;)
We absolutely have to take care in avoiding the worst case
scenarios, since statistics pretty much guarantee that somebody
will run into nothing but that scenario ...
cheers,
Rik
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