diff options
Diffstat (limited to 'kernel/rcutree.h')
| -rw-r--r-- | kernel/rcutree.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/kernel/rcutree.h b/kernel/rcutree.h index 93d4a1c..561dcb9 100644 --- a/kernel/rcutree.h +++ b/kernel/rcutree.h @@ -119,7 +119,9 @@ struct rcu_node { /* elements that need to drain to allow the */ /* current expedited grace period to */ /* complete (only for TREE_PREEMPT_RCU). */ - unsigned long wakemask; /* CPUs whose kthread needs to be awakened. */ + atomic_t wakemask; /* CPUs whose kthread needs to be awakened. */ + /* Since this has meaning only for leaf */ + /* rcu_node structures, 32 bits suffices. */ unsigned long qsmaskinit; /* Per-GP initial value for qsmask & expmask. */ unsigned long grpmask; /* Mask to apply to parent qsmask. */ |