linux-kernel - [PATCH -next] rcuperf: Fix printk format warning

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Message-ID: <20200417040245.66382-1-wangkefeng.wang@huawei.com>
Date:   Fri, 17 Apr 2020 12:02:45 +0800
From:   Kefeng Wang <wangkefeng.wang@...wei.com>
To:     Joel Fernandes <joel@...lfernandes.org>,
        "Paul E . McKenney" <paulmck@...nel.org>,
        <linux-kernel@...r.kernel.org>
CC:     Kefeng Wang <wangkefeng.wang@...wei.com>
Subject: [PATCH -next] rcuperf: Fix printk format warning

Using "%zu" to fix following warning,
kernel/rcu/rcuperf.c: In function ‘kfree_perf_init’:
include/linux/kern_levels.h:5:18: warning: format ‘%lu’ expects argument of type ‘long unsigned int’, but argument 2 has type ‘unsigned int’ [-Wformat=]

Signed-off-by: Kefeng Wang <wangkefeng.wang@...wei.com>
---
 kernel/rcu/rcuperf.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/rcu/rcuperf.c b/kernel/rcu/rcuperf.c
index 16dd1e6b7c09..9eb39c20082c 100644
--- a/kernel/rcu/rcuperf.c
+++ b/kernel/rcu/rcuperf.c
@@ -723,7 +723,7 @@ kfree_perf_init(void)
 		schedule_timeout_uninterruptible(1);
 	}
 
-	pr_alert("kfree object size=%lu\n", kfree_mult * sizeof(struct kfree_obj));
+	pr_alert("kfree object size=%zu\n", kfree_mult * sizeof(struct kfree_obj));
 
 	kfree_reader_tasks = kcalloc(kfree_nrealthreads, sizeof(kfree_reader_tasks[0]),
 			       GFP_KERNEL);
-- 
2.20.1