Index: drbd-8.4.6/drbd/drbd_bitmap.c
===================================================================
--- drbd-8.4.6.orig/drbd/drbd_bitmap.c
+++ drbd-8.4.6/drbd/drbd_bitmap.c
@@ -1084,7 +1084,11 @@ static void bm_page_io_async(struct drbd
 	bm_set_page_unchanged(b->bm_pages[page_nr]);
 
 	if (ctx->flags & BM_AIO_COPY_PAGES) {
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(4,4,0)
+		page = mempool_alloc(drbd_md_io_page_pool, __GFP_HIGHMEM|__GFP_RECLAIM);
+#else
 		page = mempool_alloc(drbd_md_io_page_pool, __GFP_HIGHMEM|__GFP_WAIT);
+#endif
 		copy_highpage(page, b->bm_pages[page_nr]);
 		bm_store_page_idx(page, page_nr);
 	} else
Index: drbd-8.4.6/drbd/drbd_receiver.c
===================================================================
--- drbd-8.4.6.orig/drbd/drbd_receiver.c
+++ drbd-8.4.6/drbd/drbd_receiver.c
@@ -421,7 +421,11 @@ drbd_alloc_peer_req(struct drbd_peer_dev
 	}
 
 	if (has_payload && data_size) {
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(4,4,0)
+		page = drbd_alloc_pages(peer_device, nr_pages, (gfp_mask & __GFP_RECLAIM));
+#else
 		page = drbd_alloc_pages(peer_device, nr_pages, (gfp_mask & __GFP_WAIT));
+#endif
 		if (!page)
 			goto fail;
 	}