On Mon, 5 Jan 2015, Joonsoo Kim wrote: > Now, I reach the solution to remove preempt enable/disable in the fastpath. > If tid is matched with kmem_cache_cpu's tid after tid and kmem_cache_cpu > are retrieved by separate this_cpu operation, it means that they are > retrieved on the same cpu. If not matched, we just have to retry it. Acked-by: Christoph Lameter <cl@xxxxxxxxx> -- 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>