prev_upper_first 721 kernel/user_namespace.c u32 prev_upper_first, prev_lower_first; prev_upper_first 730 kernel/user_namespace.c prev_upper_first = prev->first; prev_upper_first 732 kernel/user_namespace.c prev_upper_last = prev_upper_first + prev->count - 1; prev_upper_first 736 kernel/user_namespace.c if ((prev_upper_first <= upper_last) &&