From: Hugh Dickins <hughd@google.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Andrei Vagin <avagin@openvz.org>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: [PATCH] proc: fix smaps and meminfo alignment
Date: Thu, 24 May 2018 16:00:23 -0700 (PDT)
Message-ID: <alpine.LSU.2.11.1805241554210.1326@eggly.anvils> (raw)
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@google.com>
---
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;
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