Hello, Jens. On Thu, Dec 06, 2012 at 07:19:34PM +0100, Jens Axboe wrote: > We need to expose it. Once the binding is set from the kernel side on a > kernel thread, it can't be modified. That's only if kthread_bind() is used. Caling set_cpus_allowed_ptr() doesn't set PF_THREAD_BOUND and userland can adjust affinity like any other tasks. > Binding either for performance reasons or for ensuring that we > explicitly don't run in some places is a very useful feature. Sure, but I think this is too specific. Something more generic would be much better. It can be as simple as generating a uevent. Thanks. -- tejun -- 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>