task_memcg 510 include/linux/memcontrol.h struct mem_cgroup *task_memcg; task_memcg 514 include/linux/memcontrol.h task_memcg = mem_cgroup_from_task(rcu_dereference(mm->owner)); task_memcg 515 include/linux/memcontrol.h if (task_memcg) task_memcg 516 include/linux/memcontrol.h match = mem_cgroup_is_descendant(task_memcg, memcg);