diff -u b/includes/cache.inc b/includes/cache.inc
--- b/includes/cache.inc
+++ b/includes/cache.inc
@@ -80,7 +80,7 @@
 
   /**
    * Return data from the persistent cache. Data may be stored as either plain
-   * text or as serialized data. cache_get will automatically return
+   * text or as serialized data. Will automatically return
    * unserialized objects and arrays.
    *
    * @param $cid
@@ -234,7 +234,8 @@
    * data as appropriate.
    *
    * @param $cache
-   *   An item loaded from cache_get() or cache_get_multiple().
+   *   An item loaded from DrupalDatabaseCache::get() or 
+   *   DrupalDatabaseCache::getMultiple().
    * @return
    *   The item with data unserialized as appropriate or FALSE if there is no
    *   valid item to load.
@@ -285,7 +286,7 @@
         ->execute();
     }
     catch (Exception $e) {
-      // The database may not be available, so we'll ignore cache_set requests.
+      // The database may not be available, so we'll ignore these calls.
     }
   }
 
only in patch2:
unchanged:
--- a/includes/module.inc
+++ b/includes/module.inc
@@ -640,10 +640,10 @@ function module_implements($hook, $sort = FALSE, $reset = FALSE) {
   // request. Benchmarks show that the benefit of this caching outweighs the
   // additional database hit even when using the default database caching
   // backend and only a small number of modules are enabled. The cost of the
-  // cache_get() is more or less constant and reduced further when non-database
-  // caching backends are used, so there will be more significant gains when a
-  // large number of modules are installed or hooks invoked, since this can
-  // quickly lead to module_hook() being called several thousand times
+  // cache('bootstrap')->get() is more or less constant and reduced further when
+  // non-database caching backends are used, so there will be more significant
+  // gains when a large number of modules are installed or hooks invoked, since
+  // this can quickly lead to module_hook() being called several thousand times
   // per request.
   if ($reset) {
     $implementations = array();
only in patch2:
unchanged:
--- a/modules/field/field.attach.inc
+++ b/modules/field/field.attach.inc
@@ -634,7 +634,7 @@ function field_attach_load($entity_type, $entities, $age = FIELD_LOAD_CURRENT, $
     foreach ($entities as $id => $entity) {
       $cids[] = "field:$entity_type:$id";
     }
-    $cache = cache_get_multiple($cids, 'cache_field');
+    $cache = cache('cache_field')->getMultiple($cids);
     // Put the cached field values back into the entities and remove them from
     // the list of entities to query.
     foreach ($entities as $id => $entity) {
only in patch2:
unchanged:
--- a/modules/system/system.install
+++ b/modules/system/system.install
@@ -1471,7 +1471,7 @@ function system_schema() {
         'default' => 0,
       ),
       'cache' => array(
-        'description' => "The time of this user's last post. This is used when the site has specified a minimum_cache_lifetime. See cache_get().",
+        'description' => "The time of this user's last post. This is used when the site has specified a minimum_cache_lifetime. See DrupalCacheInterface::get().",
         'type' => 'int',
         'not null' => TRUE,
         'default' => 0,
only in patch2:
unchanged:
--- a/modules/update/update.module
+++ b/modules/update/update.module
@@ -724,10 +724,10 @@ function update_verify_update_archive($project, $archive_file, $directory) {
  * plug-able cache system that assumes volatile caches.
  *
  * Update module still uses the {cache_update} table, but instead of using
- * cache_set(), cache_get(), and cache_clear_all(), there are private helper
- * functions that implement these same basic tasks but ensure that the cache
- * is not prematurely cleared, and that the data is always stored in the
- * database, even if memcache or another cache backend is in use.
+ * the cache API, there are private helper functions that implement these same
+ * basic tasks but ensure that the cache is not prematurely cleared, and that
+ * the data is always stored in the database, even if memcache or another cache
+ * backend is in use.
  */
 
 /**