diff --git a/core/includes/entity.inc b/core/includes/entity.inc
index 31bbf42..a880042 100644
--- a/core/includes/entity.inc
+++ b/core/includes/entity.inc
@@ -33,6 +33,11 @@ function entity_render_cache_clear() {
  *
  * @see \Drupal\Core\Entity\EntityManagerInterface::getBundleInfo()
  * @see \Drupal\Core\Entity\EntityManagerInterface::getAllBundleInfo()
+ *
+ * @deprecated as of Drupal 8.0.x, will be removed before Drupal 9.0.0. Use the
+ *   \Drupal::entityManager()->getBundleInfo($entity_type) to get the info of a
+ *   known entity type and use \Drupal::entityManager()->getAllBundleInfo() for
+ *   all bundles.
  */
 function entity_get_bundles($entity_type = NULL) {
   if (isset($entity_type)) {
@@ -60,6 +65,11 @@ function entity_get_bundles($entity_type = NULL) {
  * @see \Drupal\Core\Entity\EntityStorageInterface
  * @see \Drupal\Core\Entity\Sql\SqlContentEntityStorage
  * @see \Drupal\Core\Entity\Query\QueryInterface
+ *
+ * @deprecated in Drupal 8.x-dev, will be removed before Drupal 9.0.0. Use
+ *    the <EntityType>::load($id) method if the entity type is known or
+ *    \Drupal::entityManager()->getStorage($entity_type)->load($id) if the
+ *    entity type is variable.
  */
 function entity_load($entity_type, $id, $reset = FALSE) {
   $controller = \Drupal::entityManager()->getStorage($entity_type);
@@ -84,6 +94,9 @@ function entity_load($entity_type, $id, $reset = FALSE) {
  * @see \Drupal\Core\Entity\EntityManagerInterface
  * @see \Drupal\Core\Entity\EntityStorageInterface
  * @see \Drupal\Core\Entity\Sql\SqlContentEntityStorage
+ *
+ * @deprecated as of Drupal 8.0.x, will be removed before Drupal 9.0.0. Use
+ *   \Drupal::entityManager()->getStorage($entity_type)->loadRevision($revision_id);
  */
 function entity_revision_load($entity_type, $revision_id) {
   return \Drupal::entityManager()
@@ -98,6 +111,9 @@ function entity_revision_load($entity_type, $revision_id) {
  *   The entity type to load, e.g. node or user.
  * @param $revision_id
  *   The revision ID to delete.
+ *
+ * @deprecated as of Drupal 8.0.x, will be removed before Drupal 9.0.0. Use
+ *   \Drupal::entityManager()>getStorage($entity_type)>deleteRevision($revision_id);
  */
 function entity_revision_delete($entity_type, $revision_id) {
   \Drupal::entityManager()
@@ -138,6 +154,11 @@ function entity_revision_delete($entity_type, $revision_id) {
  * @see \Drupal\Core\Entity\EntityStorageInterface
  * @see \Drupal\Core\Entity\Sql\SqlContentEntityStorage
  * @see \Drupal\Core\Entity\Query\QueryInterface
+ *
+ * @deprecated in Drupal 8.x-dev, will be removed before Drupal 9.0.0. Use
+ *    the <EntityType>::loadMultiple($ids) method if the entity type is known or
+ *    \Drupal::entityManager()->getStorage($entity_type)->loadMultiple($ids) if the
+ *    entity type is variable.
  */
 function entity_load_multiple($entity_type, array $ids = NULL, $reset = FALSE) {
   $controller = \Drupal::entityManager()->getStorage($entity_type);
@@ -159,6 +180,9 @@ function entity_load_multiple($entity_type, array $ids = NULL, $reset = FALSE) {
  * @return array
  *   An array of entity objects indexed by their IDs. Returns an empty array if
  *   no matching entities are found.
+ *
+ * @deprecated as of Drupal 8.0.x, will be removed before Drupal 9.0.0. Use
+ *   \Drupal::entityManager()->getStorage($entity_type)->loadByProperties($values);
  */
 function entity_load_multiple_by_properties($entity_type, array $values) {
   return \Drupal::entityManager()
@@ -181,6 +205,9 @@ function entity_load_multiple_by_properties($entity_type, array $values) {
  *
  * @return
  *   The unchanged entity, or FALSE if the entity cannot be loaded.
+ *
+ * @deprecated as of Drupal 8.0.x, will be removed before Drupal 9.0.0. Use
+ *   \Drupal::entityManager()->getStorage($entity_type)->loadUnchanged($id).
  */
 function entity_load_unchanged($entity_type, $id) {
   return \Drupal::entityManager()
@@ -195,6 +222,12 @@ function entity_load_unchanged($entity_type, $id) {
  *   The type of the entity.
  * @param array $ids
  *   An array of entity IDs of the entities to delete.
+ *
+ * @deprecated as of Drupal 8.0.x, will be removed before Drupal 9.0.0. Use
+ *   EntityManager loadMultiple Method to delete multiple entities
+ *   $controller = \Drupal::entityManager()->getStorage($entity_type);
+ *   $entities = $controller->loadMultiple($ids);
+ *   $controller->delete($entities);
  */
 function entity_delete_multiple($entity_type, array $ids) {
   $controller = \Drupal::entityManager()->getStorage($entity_type);
@@ -242,6 +275,9 @@ function entity_create($entity_type, array $values = array()) {
  *   The label of the entity, or NULL if there is no label defined.
  *
  * @see \Drupal\Core\Entity\EntityInterface::label()
+ *
+ * @deprecated as of Drupal 8.0.x, will be removed before Drupal 9.0.0. Use
+ *   Use $entity->label($langcode);
  */
 function entity_page_label(EntityInterface $entity, $langcode = NULL) {
   return $entity->label($langcode);
@@ -263,6 +299,12 @@ function entity_page_label(EntityInterface $entity, $langcode = NULL) {
  *
  * @return array
  *   A render array for the entity.
+ *
+ * @deprecated as of Drupal 8.0.x, will be removed before Drupal 9.0.0. Use
+ *   Entity Manager view method for it after building the entity view using
+ *   getViewBuilder method.
+ *   $render_controller = \Drupal::entityManager()->getViewBuilder($entity->getEntityTypeId());
+ *   return $render_controller->view($entity, $view_mode, $langcode);
  */
 function entity_view(EntityInterface $entity, $view_mode, $langcode = NULL, $reset = FALSE) {
   $render_controller = \Drupal::entityManager()->getViewBuilder($entity->getEntityTypeId());
@@ -289,6 +331,12 @@ function entity_view(EntityInterface $entity, $view_mode, $langcode = NULL, $res
  * @return array
  *   A render array for the entities, indexed by the same keys as the
  *   entities array passed in $entities.
+ *
+ * @deprecated as of Drupal 8.0.x, will be removed before Drupal 9.0.0. Use
+ *   Entity Manager viewMultiple method for it after building the entity view
+ *   using getViewBuilder method.
+ *   $render_controller = \Drupal::entityManager()->getViewBuilder($entity->getEntityTypeId());
+ *   return $render_controller->viewMultiple($entities, $view_mode, $langcode);
  */
 function entity_view_multiple(array $entities, $view_mode, $langcode = NULL, $reset = FALSE) {
   $render_controller = \Drupal::entityManager()->getViewBuilder(reset($entities)->getEntityTypeId());
@@ -336,6 +384,9 @@ function entity_view_multiple(array $entities, $view_mode, $langcode = NULL, $re
  *
  * @return \Drupal\Core\Entity\Display\EntityViewDisplayInterface
  *   The entity view display associated to the view mode.
+ *
+ * @deprecated as of Drupal 8.0.x, will be removed before Drupal 9.0.0. Use
+ *   EntityManager load function to load entity specific view display.
  */
 function entity_get_display($entity_type, $bundle, $view_mode) {
   // Try loading the display from configuration.
@@ -392,6 +443,9 @@ function entity_get_display($entity_type, $bundle, $view_mode) {
  *
  * @return \Drupal\Core\Entity\Display\EntityFormDisplayInterface
  *   The entity form display associated to the given form mode.
+ *
+ * @deprecated as of Drupal 8.0.x, will be removed before Drupal 9.0.0. Use
+ *   EntityManager load function to load its specific form display.
  */
 function entity_get_form_display($entity_type, $bundle, $form_mode) {
   // Try loading the entity from configuration.