Manuel Bouyer <bouyer@antioche.lip6.fr> writes:

> Going this way, I guess the run queue locking could happen later too.

BTW, why suspendsched() is necessary to traverse run queues?  I think
it is enough to remove from run queue when traversing allprocs if it
is on a queue.  At least, it is bad that processes runnable but
swapped out are left runnable after suspendsched().

enami.