linux-kernel - [PATCH] kernel/hung_task: Use task_pid

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Message-ID: <20200522091250.37931-1-qiang.zhang@windriver.com>
Date:   Fri, 22 May 2020 17:12:50 +0800
From:   <qiang.zhang@...driver.com>
To:     <linux-kernel@...r.kernel.org>
Subject: [PATCH] kernel/hung_task: Use task_pid_nr function to get pid

From: Zhang Qiang <qiang.zhang@...driver.com>

Use task_pid_nr(t) function instead of t->pid when printing
task pid.

Signed-off-by: Zhang Qiang <qiang.zhang@...driver.com>
---
 kernel/hung_task.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/kernel/hung_task.c b/kernel/hung_task.c
index 14a625c16cb3..0a77f6af6909 100644
--- a/kernel/hung_task.c
+++ b/kernel/hung_task.c
@@ -128,7 +128,8 @@ static void check_hung_task(struct task_struct *t, unsigned long timeout)
 		if (sysctl_hung_task_warnings > 0)
 			sysctl_hung_task_warnings--;
 		pr_err("INFO: task %s:%d blocked for more than %ld seconds.\n",
-		       t->comm, t->pid, (jiffies - t->last_switch_time) / HZ);
+			t->comm, task_pid_nr(t),
+			(jiffies - t->last_switch_time) / HZ);
 		pr_err("      %s %s %.*s\n",
 			print_tainted(), init_utsname()->release,
 			(int)strcspn(init_utsname()->version, " "),
-- 
2.24.1