struct thread

[Julian Elischer]

On Wed, 16 Apr 2003, Jeff Roberson wrote:

> Is td_last_kse necessary?  What about td_lastcpu?  They don't really seem
> to be used.
td_last_kse and td_last_cpu were used in some experimental cpu affinity
code that I gave up on (i.e. ran out of time).
The idea was that the system would attempt to first schedule
the thread on teh cpu it was last on , and if not available, on teh kse
that it last ran on. I never removed the items but was hoping that
someone, seeing  the names there would feel tempted to
implement affinity.. (Alfred mumbled about trying it).

> 
> Also, td_locks is unused, although it would be nice to have it
> implemented.

I think ithis is a jhb field

> 
> td_sleeplocks should be ifdefed with WITNESS.

ditto

> 
> Cheers,
> Jeff
> 
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