USERNS_SETGROUPS_ALLOWED
#define USERNS_INIT_FLAGS USERNS_SETGROUPS_ALLOWED
if (!(ns->flags & USERNS_SETGROUPS_ALLOWED) &&
(userns_flags & USERNS_SETGROUPS_ALLOWED) ?
if (!(ns->flags & USERNS_SETGROUPS_ALLOWED))
ns->flags &= ~USERNS_SETGROUPS_ALLOWED;
allowed = allowed && (ns->flags & USERNS_SETGROUPS_ALLOWED);