diff options
Diffstat (limited to 'kernel/sched/core.c')
| -rw-r--r-- | kernel/sched/core.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/sched/core.c b/kernel/sched/core.c index d8d76a65cfdd..b05eef7d7a1f 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -421,7 +421,7 @@ void wake_q_add(struct wake_q_head *head, struct task_struct *task) * state, even in the failed case, an explicit smp_mb() must be used. */ smp_mb__before_atomic(); - if (cmpxchg_relaxed(&node->next, NULL, WAKE_Q_TAIL)) + if (unlikely(cmpxchg_relaxed(&node->next, NULL, WAKE_Q_TAIL))) return; get_task_struct(task); |