/* * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation, version 2 of the * License. */ #include #include #include #include struct user_namespace init_user_ns = { .kref = { .refcount = ATOMIC_INIT(2), }, .root_user = &root_user, }; EXPORT_SYMBOL_GPL(init_user_ns); #ifdef CONFIG_USER_NS struct user_namespace * copy_user_ns(int flags, struct user_namespace *old_ns) { struct user_namespace *new_ns; BUG_ON(!old_ns); get_user_ns(old_ns); new_ns = old_ns; return new_ns; } void free_user_ns(struct kref *kref) { struct user_namespace *ns; ns = container_of(kref, struct user_namespace, kref); kfree(ns); } #endif /* CONFIG_USER_NS */