qeth: allow qdio queue element addresses > 2GB

OSA-adapters do not have an address limitation for the qdio queue
structures except the MAX storage level of the current processor.
And due to a recent z/VM APAR there is no longer a restriction to
allocate qdio structures below 2 GB.

Signed-off-by: Ursula Braun <braunu@de.ibm.com>
Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>

drivers/s390/net/qeth_core_main.c

@@ -241,7 +241,7 @@ static int qeth_alloc_buffer_pool(struct qeth_card *card)
 			return -ENOMEM;
 		}
 		for (j = 0; j < QETH_MAX_BUFFER_ELEMENTS(card); ++j) {
-			ptr = (void *) __get_free_page(GFP_KERNEL|GFP_DMA);
+			ptr = (void *) __get_free_page(GFP_KERNEL);
 			if (!ptr) {
 				while (j > 0)
 					free_page((unsigned long)
@@ -2000,7 +2000,7 @@ static int qeth_alloc_qdio_buffers(struct qeth_card *card)
 		return 0;
 
 	card->qdio.in_q = kmalloc(sizeof(struct qeth_qdio_q),
-				  GFP_KERNEL|GFP_DMA);
+				  GFP_KERNEL);
 	if (!card->qdio.in_q)
 		goto out_nomem;
 	QETH_DBF_TEXT(setup, 2, "inq");
@@ -2021,7 +2021,7 @@ static int qeth_alloc_qdio_buffers(struct qeth_card *card)
 		goto out_freepool;
 	for (i = 0; i < card->qdio.no_out_queues; ++i) {
 		card->qdio.out_qs[i] = kmalloc(sizeof(struct qeth_qdio_out_q),
-					       GFP_KERNEL|GFP_DMA);
+					       GFP_KERNEL);
 		if (!card->qdio.out_qs[i])
 			goto out_freeoutq;
 		QETH_DBF_TEXT_(setup, 2, "outq %i", i);
@@ -2308,7 +2308,7 @@ static inline struct qeth_buffer_pool_entry *qeth_find_free_buffer_pool_entry(
 			struct qeth_buffer_pool_entry, list);
 	for (i = 0; i < QETH_MAX_BUFFER_ELEMENTS(card); ++i) {
 		if (page_count(virt_to_page(entry->elements[i])) > 1) {
-			page = alloc_page(GFP_ATOMIC|GFP_DMA);
+			page = alloc_page(GFP_ATOMIC);
 			if (!page) {
 				return NULL;
 			} else {