linux-kernel - [PATCH 08/13] mm/memory-failure: use helper macro task_pid

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Date: Fri, 24 May 2024 17:13:05 +0800
From: Miaohe Lin <linmiaohe@...wei.com>
To: <akpm@...ux-foundation.org>, <tony.luck@...el.com>, <bp@...en8.de>
CC: <nao.horiguchi@...il.com>, <linmiaohe@...wei.com>, <linux-mm@...ck.org>,
	<linux-kernel@...r.kernel.org>, <linux-edac@...r.kernel.org>
Subject: [PATCH 08/13] mm/memory-failure: use helper macro task_pid_nr()

Use helper macro task_pid_nr() to get the pid of a task. No functional
change intended.

Signed-off-by: Miaohe Lin <linmiaohe@...wei.com>
---
 mm/memory-failure.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/mm/memory-failure.c b/mm/memory-failure.c
index 2c3ecbfc2134..19d338e83e43 100644
--- a/mm/memory-failure.c
+++ b/mm/memory-failure.c
@@ -338,7 +338,7 @@ static int kill_proc(struct to_kill *tk, unsigned long pfn, int flags)
 	int ret = 0;
 
 	pr_err("%#lx: Sending SIGBUS to %s:%d due to hardware memory corruption\n",
-			pfn, t->comm, t->pid);
+			pfn, t->comm, task_pid_nr(t));
 
 	if ((flags & MF_ACTION_REQUIRED) && (t == current))
 		ret = force_sig_mceerr(BUS_MCEERR_AR,
@@ -356,7 +356,7 @@ static int kill_proc(struct to_kill *tk, unsigned long pfn, int flags)
 				      addr_lsb, t);
 	if (ret < 0)
 		pr_info("Error sending signal to %s:%d: %d\n",
-			t->comm, t->pid, ret);
+			t->comm, task_pid_nr(t), ret);
 	return ret;
 }
 
@@ -518,7 +518,7 @@ static void kill_procs(struct list_head *to_kill, int forcekill,
 		if (forcekill) {
 			if (tk->addr == -EFAULT) {
 				pr_err("%#lx: forcibly killing %s:%d because of failure to unmap corrupted page\n",
-				       pfn, tk->tsk->comm, tk->tsk->pid);
+				       pfn, tk->tsk->comm, task_pid_nr(tk->tsk));
 				do_send_sig_info(SIGKILL, SEND_SIG_PRIV,
 						 tk->tsk, PIDTYPE_PID);
 			}
@@ -531,7 +531,7 @@ static void kill_procs(struct list_head *to_kill, int forcekill,
 			 */
 			else if (kill_proc(tk, pfn, flags) < 0)
 				pr_err("%#lx: Cannot send advisory machine check signal to %s:%d\n",
-				       pfn, tk->tsk->comm, tk->tsk->pid);
+				       pfn, tk->tsk->comm, task_pid_nr(tk->tsk));
 		}
 		list_del(&tk->nd);
 		put_task_struct(tk->tsk);
-- 
2.33.0