On Thu, Nov 08, 2007 at 02:20:58AM +0100, Andi Kleen wrote: > > > But I think we'd be best off stashing a single bit somewhere and > > checking it at migrate time (relatively infrequent) rather than > > copying and zeroing out a potentially enormous affinity mask every > > time we disable migration (often, and in fast paths). Perhaps adding > > TASK_PINNED to the task state flags would do it? > > It would need to be a count to be able to nest it.
Ahh, right. Suppose that means fattening the task struct until someone comes up with something more clever. -- Mathematics is the supreme nostalgia of our time. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
