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.
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