From: Jinjie Ruan <ruanjinjie@huawei.com>
Date: Mon, 2 Sep 2024 11:06:54 +0000 (+0800)
Subject: rcu: Use the BITS_PER_LONG macro
X-Git-Tag: v6.13-rc1~190^2~10
X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=5d2501f42cf8caad1abb44a37f20195a52e1cf07;p=linux-block.git

rcu: Use the BITS_PER_LONG macro

sizeof(unsigned long) * 8 is the number of bits in an unsigned long
variable, replace it with BITS_PER_LONG macro to make it simpler.

Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>
Reviewed-by: "Paul E. McKenney" <paulmck@kernel.org>
Signed-off-by: Neeraj Upadhyay <neeraj.upadhyay@kernel.org>
Signed-off-by: Frederic Weisbecker <frederic@kernel.org>
---

diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c
index b1f883fcd918..38b121a77366 100644
--- a/kernel/rcu/tree.c
+++ b/kernel/rcu/tree.c
@@ -5580,8 +5580,7 @@ void rcu_init_geometry(void)
 	 * Complain and fall back to the compile-time values if this
 	 * limit is exceeded.
 	 */
-	if (rcu_fanout_leaf < 2 ||
-	    rcu_fanout_leaf > sizeof(unsigned long) * 8) {
+	if (rcu_fanout_leaf < 2 || rcu_fanout_leaf > BITS_PER_LONG) {
 		rcu_fanout_leaf = RCU_FANOUT_LEAF;
 		WARN_ON(1);
 		return;