1 files changed, 6 insertions, 0 deletions

diff --git a/include/linux/user_namespace.h b/include/linux/user_namespace.h
index 4db29859464f..4836ba3c1cd8 100644
--- a/include/linux/user_namespace.h
+++ b/include/linux/user_namespace.h
@@ -27,6 +27,12 @@ struct user_namespace {
         kuid_t                  owner;
         kgid_t                  group;
         unsigned int            proc_inum;
+
+        /* Register of per-UID persistent keyrings for this namespace */
+#ifdef CONFIG_PERSISTENT_KEYRINGS
+        struct key              *persistent_keyring_register;
+        struct rw_semaphore     persistent_keyring_register_sem;
+#endif
 };
 
 extern struct user_namespace init_user_ns;