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| author | Jinjie Ruan <ruanjinjie@huawei.com> | 2024-09-02 19:06:54 +0800 |
|---|---|---|
| committer | Frederic Weisbecker <frederic@kernel.org> | 2024-11-12 21:41:04 +0100 |
| commit | 5d2501f42cf8caad1abb44a37f20195a52e1cf07 (patch) | |
| tree | 745c2a2e64aabcb34f469bce41e6e33c67383f1a /kernel/rcu | |
| parent | c32912069654f7bf4352f51c9e6386de71b10b62 (diff) | |
| download | lwn-5d2501f42cf8caad1abb44a37f20195a52e1cf07.tar.gz lwn-5d2501f42cf8caad1abb44a37f20195a52e1cf07.zip | |
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>
Diffstat (limited to 'kernel/rcu')
| -rw-r--r-- | kernel/rcu/tree.c | 3 |
1 files changed, 1 insertions, 2 deletions
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; |