It may be something as simple as a wrapped variable. IIRC, someone recently found something like that in the scheduler, though I can't find the posting just now. It was in kernel/sched_fair.c:update_curr() I think.
It may be something as simple as a wrapped variable. IIRC, someone recently found something like that in the scheduler, though I can't find the posting just now. It was in kernel/ sched_fair. c:update_ curr() I think.