diff options
Diffstat (limited to 'kernel/locking/lockdep.c')
| -rw-r--r-- | kernel/locking/lockdep.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/locking/lockdep.c b/kernel/locking/lockdep.c index 050dbe9eec3c..dd2bbf73718b 100644 --- a/kernel/locking/lockdep.c +++ b/kernel/locking/lockdep.c @@ -219,6 +219,7 @@ static DECLARE_BITMAP(list_entries_in_use, MAX_LOCKDEP_ENTRIES); static struct hlist_head lock_keys_hash[KEYHASH_SIZE]; unsigned long nr_lock_classes; unsigned long nr_zapped_classes; +unsigned long nr_dynamic_keys; unsigned long max_lock_class_idx; struct lock_class lock_classes[MAX_LOCKDEP_KEYS]; DECLARE_BITMAP(lock_classes_in_use, MAX_LOCKDEP_KEYS); @@ -1238,6 +1239,7 @@ void lockdep_register_key(struct lock_class_key *key) goto out_unlock; } hlist_add_head_rcu(&key->hash_entry, hash_head); + nr_dynamic_keys++; out_unlock: graph_unlock(); restore_irqs: @@ -6609,6 +6611,7 @@ void lockdep_unregister_key(struct lock_class_key *key) pf = get_pending_free(); __lockdep_free_key_range(pf, key, 1); need_callback = prepare_call_rcu_zapped(pf); + nr_dynamic_keys--; } lockdep_unlock(); raw_local_irq_restore(flags); |