[PATCH] lockdep: use BUILD_BUG_ON
authorAlexey Dobriyan <adobriyan@gmail.com>
Wed, 11 Oct 2006 08:22:06 +0000 (01:22 -0700)
committerLinus Torvalds <torvalds@g5.osdl.org>
Wed, 11 Oct 2006 18:14:24 +0000 (11:14 -0700)
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Acked-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
kernel/lockdep.c

index 4c0553461000360e4f4cb459bde0d289f9f89b97..805a322a56557f01b031e7905c43686cdb49a83e 100644 (file)
@@ -1114,8 +1114,6 @@ static int count_matching_names(struct lock_class *new_class)
        return count + 1;
 }
 
-extern void __error_too_big_MAX_LOCKDEP_SUBCLASSES(void);
-
 /*
  * Register a lock's class in the hash-table, if the class is not present
  * yet. Otherwise we look it up. We cache the result in the lock object
@@ -1153,8 +1151,7 @@ look_up_lock_class(struct lockdep_map *lock, unsigned int subclass)
         * (or spin_lock_init()) call - which acts as the key. For static
         * locks we use the lock object itself as the key.
         */
-       if (sizeof(struct lock_class_key) > sizeof(struct lock_class))
-               __error_too_big_MAX_LOCKDEP_SUBCLASSES();
+       BUILD_BUG_ON(sizeof(struct lock_class_key) > sizeof(struct lock_class));
 
        key = lock->key->subkeys + subclass;