linux-kernel - [PATCH] sched/cputime: remove unused vtime_account

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Message-ID: <20240411112212.2061899-1-changbin.du@huawei.com>
Date: Thu, 11 Apr 2024 19:22:12 +0800
From: Changbin Du <changbin.du@...wei.com>
To: Ingo Molnar <mingo@...hat.com>, Peter Zijlstra <peterz@...radead.org>,
	Juri Lelli <juri.lelli@...hat.com>, Vincent Guittot
	<vincent.guittot@...aro.org>
CC: Dietmar Eggemann <dietmar.eggemann@....com>, Steven Rostedt
	<rostedt@...dmis.org>, Ben Segall <bsegall@...gle.com>, Mel Gorman
	<mgorman@...e.de>, Daniel Bristot de Oliveira <bristot@...hat.com>, Valentin
 Schneider <vschneid@...hat.com>, <linux-kernel@...r.kernel.org>, Changbin Du
	<changbin.du@...wei.com>
Subject: [PATCH] sched/cputime: remove unused vtime_account_kernel

This removes the vtime_account_kernel() function in generic vtime
accounting. It's never used anymore.

Signed-off-by: Changbin Du <changbin.du@...wei.com>
---
 kernel/sched/cputime.c | 12 ------------
 1 file changed, 12 deletions(-)

diff --git a/kernel/sched/cputime.c b/kernel/sched/cputime.c
index af7952f12e6c..29320e66abdc 100644
--- a/kernel/sched/cputime.c
+++ b/kernel/sched/cputime.c
@@ -709,18 +709,6 @@ static void __vtime_account_kernel(struct task_struct *tsk,
 		vtime_account_system(tsk, vtime);
 }
 
-void vtime_account_kernel(struct task_struct *tsk)
-{
-	struct vtime *vtime = &tsk->vtime;
-
-	if (!vtime_delta(vtime))
-		return;
-
-	write_seqcount_begin(&vtime->seqcount);
-	__vtime_account_kernel(tsk, vtime);
-	write_seqcount_end(&vtime->seqcount);
-}
-
 void vtime_user_enter(struct task_struct *tsk)
 {
 	struct vtime *vtime = &tsk->vtime;
-- 
2.34.1