> It almost sounds like you want to have the memory blocked out into
> different speeds. Sort of like Metric for routing networks. This makes
> some sense, as I know some hardware has different speed memory (I think
> the Amiga does), but I'm not sure you'd want to keep such a table of info,
> or how to keep track of these speeds if memory has, for example, different
> speeds dependent on which CPU you are looking from.
You do it in the allocators. Memory is already allocated on a per-cpu
basis I believe (for cache affinity reasons), so you just extend that to
understand your layout..
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