The 4.17-rc /proc/meminfo and /proc/<pid>/smaps look ugly: single-digit numbers (commonly 0) are misaligned. Remove seq_put_decimal_ull_width()'s leftover optimization for single digits: it's wrong now that num_to_str() takes care of the width. Fixes: d1be35cb6f96 ("proc: add seq_put_decimal_ull_width to speed up /proc/pid/smaps") Signed-off-by: Hugh Dickins <hughd@xxxxxxxxxx> --- fs/seq_file.c | 5 ----- 1 file changed, 5 deletions(-) --- 4.17-rc6/fs/seq_file.c 2018-04-15 21:45:06.740885410 -0700 +++ linux/fs/seq_file.c 2018-05-24 14:41:21.508491794 -0700 @@ -709,11 +709,6 @@ void seq_put_decimal_ull_width(struct se if (m->count + width >= m->size) goto overflow; - if (num < 10) { - m->buf[m->count++] = num + '0'; - return; - } - len = num_to_str(m->buf + m->count, m->size - m->count, num, width); if (!len) goto overflow;