On Fri, Apr 09, 2021 at 07:18:39PM -0400, Waiman Long wrote: > In memcg_slab_free_hook()/pcpu_memcg_free_hook(), obj_cgroup_uncharge() > is followed by mod_objcg_state()/mod_memcg_state(). Each of these > function call goes through a separate irq_save/irq_restore cycle. That > is inefficient. Introduce a new function obj_cgroup_uncharge_mod_state() > that combines them with a single irq_save/irq_restore cycle. > > Signed-off-by: Waiman Long <longman@xxxxxxxxxx> Acked-by: Roman Gushchin <guro@xxxxxx> Thanks!