rcu: Convert "1UL << x" to "BIT(x)"
This commit saves a few characters by converting "1UL << x" to "BIT(x)".
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c
index 92346ab..e778fd5 100644
--- a/kernel/rcu/tree.c
+++ b/kernel/rcu/tree.c
@@ -3582,7 +3582,7 @@ static void __init rcu_init_one(void)
rnp->parent = NULL;
} else {
rnp->grpnum = j % levelspread[i - 1];
- rnp->grpmask = 1UL << rnp->grpnum;
+ rnp->grpmask = BIT(rnp->grpnum);
rnp->parent = rcu_state.level[i - 1] +
j / levelspread[i - 1];
}