diff --git a/net/rds/ib_rdma.c b/net/rds/ib_rdma.c
index 9594ea245f7f..db7e92e7bd29 100644
--- a/net/rds/ib_rdma.c
+++ b/net/rds/ib_rdma.c
@@ -251,9 +251,7 @@ void __rds_ib_teardown_mr(struct rds_ib_mr *ibmr)
 
 			/* FIXME we need a way to tell a r/w MR
 			 * from a r/o MR */
-			WARN_ON(!page->mapping && irqs_disabled());
-			set_page_dirty(page);
-			put_page(page);
+			unpin_user_pages_dirty_lock(&page, 1, true);
 		}
 		kfree(ibmr->sg);