The patch titled
Subject: fs/seq_file.c: delete small-value optimization
has been added to the -mm tree. Its filename is
seq_file-delete-small-value-optimization.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/seq_file-delete-small-value-optimization.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/seq_file-delete-small-value-optimization.patch
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------------------------------------------------------
From: Alexey Dobriyan <adobriyan@xxxxxxxxx>
Subject: fs/seq_file.c: delete small-value optimization
num_to_str() optimizes printing small integers [0..9], so the same check
higher in callchain is unnecessary.
Link: http://lkml.kernel.org/r/20170516204246.GA18123@avx2
Signed-off-by: Alexey Dobriyan <adobriyan@xxxxxxxxx>
Cc: Joe Perches <joe@xxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/seq_file.c | 10 ----------
1 file changed, 10 deletions(-)
diff -puN fs/seq_file.c~seq_file-delete-small-value-optimization fs/seq_file.c
--- a/fs/seq_file.c~seq_file-delete-small-value-optimization
+++ a/fs/seq_file.c
@@ -694,11 +694,6 @@ void seq_put_decimal_ull(struct seq_file
if (m->count + 1 >= 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);
if (!len)
goto overflow;
@@ -733,11 +728,6 @@ void seq_put_decimal_ll(struct seq_file
num = -num;
}
- if (num < 10) {
- m->buf[m->count++] = num + '0';
- return;
- }
-
len = num_to_str(m->buf + m->count, m->size - m->count, num);
if (!len)
goto overflow;
_
Patches currently in -mm which might be from adobriyan@xxxxxxxxx are
kstrtox-delete-end-of-string-test.patch
kstrtox-use-unsigned-int-more.patch
seq_file-delete-small-value-optimization.patch
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