* Peter Zijlstra <[EMAIL PROTECTED]> wrote: > > * With CONFIG_FAIR_USER_SCHED disabled, there are severe > > interactivity hickups with a niced CPU hog and top running. This > > started with commit 810e95ccd58d91369191aa4ecc9e6d4a10d8d0c8. > > The revert at the bottom causes the wakeup granularity to shrink for + > nice and to grow for - nice. That is, it becomes easier to preempt a + > nice task, and harder to preempt a - nice task.
i think it would be OK to do half of this: make it easier to preempt a +nice task. Michel, do you really need the -nice portion as well? It's not a problem to super-preempt positively reniced tasks, but it can be quite annoying if negatively reniced tasks have super-slices. Ingo _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev