On Fri, Apr 9, 2021 at 4:19 PM Waiman Long <longman@xxxxxxxxxx> 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> Reviewed-by: Shakeel Butt <shakeelb@xxxxxxxxxx>