Revert "mm/slab_common.c: cleanup"

This reverts commit 455ce9eb1cfa083da0def023094190aeb133855a. Andrew
sent a better version.

Signed-off-by: Pekka Enberg <penberg@kernel.org>
diff --git a/mm/slab_common.c b/mm/slab_common.c
index 281600b..aa3ca5b 100644
--- a/mm/slab_common.c
+++ b/mm/slab_common.c
@@ -53,17 +53,19 @@
 {
 	struct kmem_cache *s = NULL;
 
-	get_online_cpus();
-	mutex_lock(&slab_mutex);
-
 #ifdef CONFIG_DEBUG_VM
 	if (!name || in_interrupt() || size < sizeof(void *) ||
 		size > KMALLOC_MAX_SIZE) {
 		printk(KERN_ERR "kmem_cache_create(%s) integrity check"
-				" failed\n", name);
-		goto oops;
+			" failed\n", name);
+		goto out;
 	}
+#endif
 
+	get_online_cpus();
+	mutex_lock(&slab_mutex);
+
+#ifdef CONFIG_DEBUG_VM
 	list_for_each_entry(s, &slab_caches, list) {
 		char tmp;
 		int res;
@@ -102,6 +104,9 @@
 	mutex_unlock(&slab_mutex);
 	put_online_cpus();
 
+#ifdef CONFIG_DEBUG_VM
+out:
+#endif
 	if (!s && (flags & SLAB_PANIC))
 		panic("kmem_cache_create: Failed to create slab '%s'\n", name);