Damn, the hunk below was supposed to go away before hack escaped. The whole thing is just a "could we maybe...", but just in case anybody plays with it, that hunk proved to be a bad idea, kill it. > --- a/kernel/softirq.c > +++ b/kernel/softirq.c > @@ -280,6 +280,8 @@ asmlinkage __visible void __do_softirq(v > } > h++; > pending >>= softirq_bit; > + if (need_resched_rt() && current != this_cpu_ksoftirqd()) > + break; -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>