Commit df63fa5b authored by Paul E. McKenney's avatar Paul E. McKenney
Browse files

rcu: Convert "1UL << x" to "BIT(x)" 



This commit saves a few characters by converting "1UL << x" to "BIT(x)".

Signed-off-by: default avatarPaul E. McKenney <paulmck@linux.vnet.ibm.com>
parent fced9c8c

kernel/rcu/tree.c

+1 −1
Original line number Diff line number Diff line
@@ -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];

			}

kernel/rcu/tree.h

+1 −1
Original line number Diff line number Diff line
@@ -168,7 +168,7 @@ struct rcu_node { 
 * are indexed relative to this interval rather than the global CPU ID space.

 * This generates the bit for a CPU in node-local masks.

 */

#define leaf_node_cpu_bit(rnp, cpu) (1UL << ((cpu) - (rnp)->grplo))

#define leaf_node_cpu_bit(rnp, cpu) (BIT((cpu) - (rnp)->grplo))



/*

 * Union to allow "aggregate OR" operation on the need for a quiescent