> Also these multiple mappings are going to make machines with virtual indexed
> caches barf when implemented wrongly. Suggestion: KISS. Use a kernel
> bounce buffer and escape the gadzillion of possible mm traps.
Even if one is willing to buy into the overhead this introduces (and
contrary to what some folks have asserted, byte copies are _far_ from
free, and can cause major performance issues), the limit on the amount
of memory one can allocate contiguously makes this solution impractical.
-Jim.Zelenka@cs.cmu.edu
Senior Research Programmer
CMU/SCS Parallel Data Lab
http://www.pdl.cs.cmu.edu/PEOPLE/jimz.html
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