linux-kernel - [PATCH] percpu_ref: Use a more common logging style

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Date:   Wed, 06 May 2020 11:30:37 -0700
From:   Joe Perches <joe@...ches.com>
To:     Andrew Morton <akpm@...ux-foundation.org>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Christophe JAILLET <christophe.jaillet@...adoo.fr>
Subject: [PATCH] percpu_ref: Use a more common logging style

Remove the trailing newline from the used-once pr_fmt
and add it to the single use of pr_<level> in this code
to use a more common logging style.

Miscellanea:

o Use %lu in the pr_debug format and remove the unnecessary cast

Signed-off-by: Joe Perches <joe@...ches.com>
---
 lib/percpu-refcount.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/lib/percpu-refcount.c b/lib/percpu-refcount.c
index 8d092609928e..0ba686b8fe57 100644
--- a/lib/percpu-refcount.c
+++ b/lib/percpu-refcount.c
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: GPL-2.0-only
-#define pr_fmt(fmt) "%s: " fmt "\n", __func__
+#define pr_fmt(fmt) "%s: " fmt, __func__
 
 #include <linux/kernel.h>
 #include <linux/sched.h>
@@ -141,8 +141,8 @@ static void percpu_ref_switch_to_atomic_rcu(struct rcu_head *rcu)
 	for_each_possible_cpu(cpu)
 		count += *per_cpu_ptr(percpu_count, cpu);
 
-	pr_debug("global %ld percpu %ld",
-		 atomic_long_read(&ref->count), (long)count);
+	pr_debug("global %lu percpu %lu\n",
+		 atomic_long_read(&ref->count), count);
 
 	/*
 	 * It's crucial that we sum the percpu counters _before_ adding the sum