[PATCH] Optimized __sched_cpucount for alphaev67, power5 and above and ia64

[Roland McGrath]

> Maybe, though I'm not sure if we need one sysdep header for each such a
> macro, that might be an overkill.

No, one header for all macros of the ilk that come along would be fine.  
At a stretch, sysdeps/CPU/sysdep.h might even do.  

I almost suggested just adding it to bits/atomic.h, but it is probably
preferable to segregate miscellanea from atomic/lock stuff in particular.


Thanks,
Roland