linux-kernel - [PATCH v2 14/31] mm/slab: Switch to use hrtimer

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Message-Id: <030065d66630068f788caf9df15756fad404e754.1738746821.git.namcao@linutronix.de>
Date: Wed,  5 Feb 2025 11:38:58 +0100
From: Nam Cao <namcao@...utronix.de>
To: Anna-Maria Behnsen <anna-maria@...utronix.de>,
	Frederic Weisbecker <frederic@...nel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	linux-kernel@...r.kernel.org
Cc: Nam Cao <namcao@...utronix.de>,
	"Paul E . McKenney" <paulmck@...nel.org>
Subject: [PATCH v2 14/31] mm/slab: Switch to use hrtimer_setup()

hrtimer_setup() takes the callback function pointer as argument and
initializes the timer completely.

Replace hrtimer_init() and the open coded initialization of
hrtimer::function with the new setup mechanism.

Patch was created by using Coccinelle.

Reviewed-by: Paul E. McKenney <paulmck@...nel.org>
Signed-off-by: Nam Cao <namcao@...utronix.de>
---
 mm/slab_common.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/mm/slab_common.c b/mm/slab_common.c
index 4030907b6b7d..59578dafbf37 100644
--- a/mm/slab_common.c
+++ b/mm/slab_common.c
@@ -1887,8 +1887,8 @@ run_page_cache_worker(struct kfree_rcu_cpu *krcp)
 				&krcp->page_cache_work,
 					msecs_to_jiffies(rcu_delay_page_cache_fill_msec));
 		} else {
-			hrtimer_init(&krcp->hrtimer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
-			krcp->hrtimer.function = schedule_page_work_fn;
+			hrtimer_setup(&krcp->hrtimer, schedule_page_work_fn, CLOCK_MONOTONIC,
+				      HRTIMER_MODE_REL);
 			hrtimer_start(&krcp->hrtimer, 0, HRTIMER_MODE_REL);
 		}
 	}
-- 
2.39.5