RE: Setup an IA64 specific reclaim distance

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> No.  The migration_cost is an empirical runtime calculation that estimates the
> relative cost of migrating a task within each level of sched domain.  And even
> that is sometimes grossly inaccurate because only two arbitrary CPUs are
> chosen for this calculation within one sched domain at each level, thus
> assuming that the migration_cost is the same between any and all two CPUs in
> that sched domain, and that all the sched domains for a given level exhibit
> equivalent migration_cost behavior.

Sounds like this code needs to see if there is a SLIT table, and if there is
use it to decide which cpus to use, rather than picking arbitrarily.

-Tony
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