From: Lars Ellenberg <lars.ellenberg@linbit.com>
Date: Mon, 13 Sep 2010 11:27:10 +0000 (+0200)
Subject: drbd: DIV_ROUND_UP not needed here
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=78db89287ce0f146a1f2a019a0b243ea4557caac;p=deliverable%2Flinux.git

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 daa672fc46e9..83ba63ab2358 100644
--- 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);