diff options
Diffstat (limited to 'kernel/rcu/tree.h')
| -rw-r--r-- | kernel/rcu/tree.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/kernel/rcu/tree.h b/kernel/rcu/tree.h index f9d4fbb1e014..1194ab0da56a 100644 --- a/kernel/rcu/tree.h +++ b/kernel/rcu/tree.h @@ -250,7 +250,7 @@ struct rcu_node { spinlock_t exp_lock ____cacheline_internodealigned_in_smp; unsigned long exp_seq_rq; - wait_queue_head_t exp_wq[2]; + wait_queue_head_t exp_wq[4]; } ____cacheline_internodealigned_in_smp; /* @@ -502,6 +502,7 @@ struct rcu_state { /* End of fields guarded by barrier_mutex. */ struct mutex exp_mutex; /* Serialize expedited GP. */ + struct mutex exp_wake_mutex; /* Serialize wakeup. */ unsigned long expedited_sequence; /* Take a ticket. */ atomic_long_t expedited_normal; /* # fallbacks to normal. */ atomic_t expedited_need_qs; /* # CPUs left to check in. */ |