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>

diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c
index 95c6fcf..86bcaf0 100644 (file)
--- a/drivers/s390/net/qeth_core_main.c
+++ b/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 {