From: oulijun <oulijun@huawei.com>
Date: Wed, 7 Feb 2018 17:49:30 +0800
Subject: RDMA/hns: Use free_pages function instead of free_page
Patch-mainline: v4.17-rc1
Git-commit: d480bb50d294e23a6773c507b8017e6bc45efc67
References: bsc#1104427 FATE#326416

It need to use free_pages function for free the memory allocated
by __get_free_pages function.

Signed-off-by: Lijun Ou <oulijun@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
 drivers/infiniband/hw/hns/hns_roce_mr.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/infiniband/hw/hns/hns_roce_mr.c
+++ b/drivers/infiniband/hw/hns/hns_roce_mr.c
@@ -933,7 +933,7 @@ int hns_roce_ib_umem_write_mtt(struct hn
 		ret = hns_roce_write_mtt(hr_dev, mtt, n, i, pages);
 
 out:
-	free_page((unsigned long) pages);
+	free_pages((unsigned long) pages, order);
 	return ret;
 }