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proc: fix smaps and meminfo alignment 

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.

Link: http://lkml.kernel.org/r/alpine.LSU.2.11.1805241554210.1326@eggly.anvils
Fixes: d1be35cb6f ("proc: add seq_put_decimal_ull_width to speed up /proc/pid/smaps")
Signed-off-by: Hugh Dickins <hughd@google.com>
Cc: Andrei Vagin <avagin@openvz.org>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Hugh Dickins 2018-05-25 14:47:50 -07:00 committed by Linus Torvalds
parent 8addc2d00f
commit 6c04ab0edd
1 changed files with 0 additions and 5 deletions
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5
fs/seq_file.c
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@ -709,11 +709,6 @@ void seq_put_decimal_ull_width(struct seq_file *m, const char *delimiter,
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;