| c6d68c1c4a4d ("sched/membarrier: Skip IPIs when mm->mm_users == 1") | |
| 154abafc68bf ("tasks, sched/core: With a grace period after finish_task_switch(), remove unnecessary code") | |
| 3fbd7ee285b2 ("tasks: Add a count of task RCU users") | |
| ec1d281923cf ("sched/core: Convert task_struct.usage to refcount_t") |