prev_lower_first 721 kernel/user_namespace.c u32 prev_upper_first, prev_lower_first; prev_lower_first 731 kernel/user_namespace.c prev_lower_first = prev->lower_first; prev_lower_first 733 kernel/user_namespace.c prev_lower_last = prev_lower_first + prev->count - 1; prev_lower_first 741 kernel/user_namespace.c if ((prev_lower_first <= lower_last) &&