linux-kernel - [PATCH 16/18] rcu/tree: Remove extra next variable in kfree worker function

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Date:   Sun, 29 Mar 2020 22:32:46 -0400
From:   "Joel Fernandes (Google)" <joel@...lfernandes.org>
To:     linux-kernel@...r.kernel.org
Cc:     "Joel Fernandes (Google)" <joel@...lfernandes.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Ingo Molnar <mingo@...hat.com>,
        Josh Triplett <josh@...htriplett.org>,
        Lai Jiangshan <jiangshanlai@...il.com>, linux-mm@...ck.org,
        Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
        "Paul E. McKenney" <paulmck@...nel.org>,
        "Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
        rcu@...r.kernel.org, Steven Rostedt <rostedt@...dmis.org>,
        "Uladzislau Rezki (Sony)" <urezki@...il.com>
Subject: [PATCH 16/18] rcu/tree: Remove extra next variable in kfree worker function

No change in code, small refactor.

Signed-off-by: Joel Fernandes (Google) <joel@...lfernandes.org>
---
 kernel/rcu/tree.c | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c
index 204292378101b..56c9e102a901d 100644
--- a/kernel/rcu/tree.c
+++ b/kernel/rcu/tree.c
@@ -2889,8 +2889,7 @@ debug_rcu_bhead_unqueue(struct kvfree_rcu_bulk_data *bhead)
 static void kfree_rcu_work(struct work_struct *work)
 {
 	unsigned long flags;
-	struct kvfree_rcu_bulk_data *bkhead, *bknext;
-	struct kvfree_rcu_bulk_data *bvhead, *bvnext;
+	struct kvfree_rcu_bulk_data *bkhead, *bvhead, *bnext;
 	struct rcu_head *head, *next;
 	struct kfree_rcu_cpu *krcp;
 	struct kfree_rcu_cpu_work *krwp;
@@ -2915,8 +2914,8 @@ static void kfree_rcu_work(struct work_struct *work)
 	spin_unlock_irqrestore(&krcp->lock, flags);
 
 	/* kmalloc()/kfree() channel. */
-	for (; bkhead; bkhead = bknext) {
-		bknext = bkhead->next;
+	for (; bkhead; bkhead = bnext) {
+		bnext = bkhead->next;
 
 		debug_rcu_bhead_unqueue(bkhead);
 
@@ -2934,8 +2933,8 @@ static void kfree_rcu_work(struct work_struct *work)
 	}
 
 	/* vmalloc()/vfree() channel. */
-	for (; bvhead; bvhead = bvnext) {
-		bvnext = bvhead->next;
+	for (; bvhead; bvhead = bnext) {
+		bnext = bvhead->next;
 
 		debug_rcu_bhead_unqueue(bvhead);
 
-- 
2.26.0.rc2.310.g2932bb562d-goog