0d26756665
When iterating per_cpu values, we need to use for_each_possible_cpu. While NR_CPUS indicates the number of CPU supported by the kernel, it might not initialize all of them if the kernel decides it's not possible to use them. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Chunwei Chen <david.chen@osnexus.com> Closes #578