From: Yangtao Li <tiny.windzz@gmail.com>
To: tj@kernel.org, guro@fb.com, axboe@kernel.dk, dennis@kernel.org,
hannes@cmpxchg.org, dennisszhou@gmail.com
Cc: linux-kernel@vger.kernel.org, Yangtao Li <tiny.windzz@gmail.com>
Subject: [PATCH] cgroup: remove unnecessary unlikely()
Date: Sat, 3 Nov 2018 22:27:41 -0400 [thread overview]
Message-ID: <20181104022741.2518-1-tiny.windzz@gmail.com> (raw)
WARN_ON() already contains an unlikely(), so it's not necessary to use
unlikely.
Signed-off-by: Yangtao Li <tiny.windzz@gmail.com>
---
kernel/cgroup/cgroup.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/kernel/cgroup/cgroup.c b/kernel/cgroup/cgroup.c
index 6aaf5dd5383b..2e5d90dfcb49 100644
--- a/kernel/cgroup/cgroup.c
+++ b/kernel/cgroup/cgroup.c
@@ -5978,10 +5978,8 @@ static ssize_t show_delegatable_files(struct cftype *files, char *buf,
ret += snprintf(buf + ret, size - ret, "%s\n", cft->name);
- if (unlikely(ret >= size)) {
- WARN_ON(1);
+ if (WARN_ON(ret >= size))
break;
- }
}
return ret;
--
2.17.0
next reply other threads:[~2018-11-04 2:53 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-11-04 2:27 Yangtao Li [this message]
2018-11-05 16:31 ` [PATCH] cgroup: remove unnecessary unlikely() Tejun Heo
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20181104022741.2518-1-tiny.windzz@gmail.com \
--to=tiny.windzz@gmail.com \
--cc=axboe@kernel.dk \
--cc=dennis@kernel.org \
--cc=dennisszhou@gmail.com \
--cc=guro@fb.com \
--cc=hannes@cmpxchg.org \
--cc=linux-kernel@vger.kernel.org \
--cc=tj@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.