> So user-return notifiers ought to be the ideal platform for that, > right? We don't even have to touch the scheduler: anything that > schedules will eventually return to user-space, at which point the > RCU GC magic can run. That's not necessarily true. Consider a router which only routes and never runs user space. You would starve it. Given it's somewhat obscure, but it's possible. -Andi -- ak@xxxxxxxxxxxxxxx -- Speaking for myself only -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxxx For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>