On Tue 03-08-21 21:40:35, Waiman Long wrote: [...] > The purpose of this series is to improve kmem_cache allocation and free > performance for non-RT kernel. So not disabling/enabling interrupt help a > bit in this regard. Johannes has explained the irq disabling role in the stock draining just yesterday. Have a look at http://lkml.kernel.org/r/YQlPiLY0ieRb704V@xxxxxxxxxxx -- Michal Hocko SUSE Labs