+static struct lock_class_key on_slab_l3_key;
+static struct lock_class_key on_slab_alc_key;
+
+static inline void init_lock_keys(void)
+
+{
+ int q;
+ struct cache_sizes *s = malloc_sizes;
+
+ while (s->cs_size != ULONG_MAX) {
+ for_each_node(q) {
+ struct array_cache **alc;
+ int r;
+ struct kmem_list3 *l3 = s->cs_cachep->nodelists[q];
+ if (!l3 || OFF_SLAB(s->cs_cachep))
+ continue;
+ lockdep_set_class(&l3->list_lock, &on_slab_l3_key);
+ alc = l3->alien;
+ /*
+ * FIXME: This check for BAD_ALIEN_MAGIC
+ * should go away when common slab code is taught to
+ * work even without alien caches.
+ * Currently, non NUMA code returns BAD_ALIEN_MAGIC
+ * for alloc_alien_cache,
+ */
+ if (!alc || (unsigned long)alc == BAD_ALIEN_MAGIC)
+ continue;
+ for_each_node(r) {
+ if (alc[r])
+ lockdep_set_class(&alc[r]->lock,
+ &on_slab_alc_key);
+ }
+ }
+ s++;
+ }
+}
+#else
+static inline void init_lock_keys(void)
+{
+}
+#endif
+
+/* Guard access to the cache-chain. */
+static DEFINE_MUTEX(cache_chain_mutex);
+static struct list_head cache_chain;