Revert "mm/slab_common.c: cleanup"

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

Signed-off-by: Pekka Enberg <penberg@kernel.org>

1 files changed, 10 insertions, 5 deletions

diff --git a/mm/slab_common.c b/mm/slab_common.c
index 281600b30100..aa3ca5bb01b5 100644
--- a/mm/slab_common.c
+++ b/mm/slab_common.c
@@ -53,17 +53,19 @@ struct kmem_cache *kmem_cache_create(const char *name, size_t size, size_t align
 {
         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 @@ oops:
         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);