linux-kernel - [PATCH] lockdep: use BUILD_BUG

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Message-ID: <20061009013609.GA5346@martell.zuzino.mipt.ru>
Date:	Mon, 9 Oct 2006 05:36:09 +0400
From:	Alexey Dobriyan <adobriyan@...il.com>
To:	Andrew Morton <akpm@...l.org>
Cc:	linux-kernel@...r.kernel.org
Subject: [PATCH] lockdep: use BUILD_BUG_ON

Signed-off-by: Alexey Dobriyan <adobriyan@...il.com>
---

 kernel/lockdep.c |    5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

--- a/kernel/lockdep.c
+++ b/kernel/lockdep.c
@@ -1114,8 +1114,6 @@ static int count_matching_names(struct l
 	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 @@ #endif
 	 * (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;
 

-
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