Index: linux-2.6.21-rc6/fs/locks.c
===================================================================
--- linux-2.6.21-rc6.orig/fs/locks.c	2007-04-22 23:17:29.000000000 -0700
+++ linux-2.6.21-rc6/fs/locks.c	2007-04-22 23:17:45.000000000 -0700
@@ -203,7 +203,7 @@ static void init_once(void *foo, struct 
 {
 	struct file_lock *lock = (struct file_lock *) foo;
 
-	if (flags & SLAB_CTOR_CONSTRUCTOR)
+	if (!(flags & SLAB_CTOR_CONSTRUCTOR))
 		return;
 
 	locks_init_lock(lock);