drbd: DIV_ROUND_UP not needed here

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>

diff --git a/drivers/block/drbd/drbd_worker.c b/drivers/block/drbd/drbd_worker.c
index daa672f..83ba63a 100644 (file)
--- a/drivers/block/drbd/drbd_worker.c
+++ b/drivers/block/drbd/drbd_worker.c
@@ -915,7 +915,7 @@ static void move_to_net_ee_or_free(struct drbd_conf *mdev, struct drbd_epoch_ent
 {
        if (drbd_ee_has_active_page(e)) {
                /* This might happen if sendpage() has not finished */
-               int i = DIV_ROUND_UP(e->size, PAGE_SIZE);
+               int i = (e->size + PAGE_SIZE -1) >> PAGE_SHIFT;
                atomic_add(i, &mdev->pp_in_use_by_net);
                atomic_sub(i, &mdev->pp_in_use);
                spin_lock_irq(&mdev->req_lock);