Since vq_alignment is constant (always 4K), it does not
need to be part of the vring struct.

Signed-off-by: Stephen Hemminger <stephen at networkplumber.org>

---
 lib/librte_pmd_virtio/virtio_ethdev.c |    1 -
 lib/librte_pmd_virtio/virtio_rxtx.c   |    2 +-
 lib/librte_pmd_virtio/virtqueue.h     |    3 +--
 3 files changed, 2 insertions(+), 4 deletions(-)

--- a/lib/librte_pmd_virtio/virtio_ethdev.c     2014-08-25 19:00:09.918550097 
-0700
+++ b/lib/librte_pmd_virtio/virtio_ethdev.c     2014-08-25 19:00:09.918550097 
-0700
@@ -290,7 +290,6 @@ int virtio_dev_queue_setup(struct rte_et
        vq->port_id = dev->data->port_id;
        vq->queue_id = queue_idx;
        vq->vq_queue_index = vtpci_queue_idx;
-       vq->vq_alignment = VIRTIO_PCI_VRING_ALIGN;
        vq->vq_nentries = vq_size;
        vq->vq_free_cnt = vq_size;

--- a/lib/librte_pmd_virtio/virtio_rxtx.c       2014-08-25 19:00:09.918550097 
-0700
+++ b/lib/librte_pmd_virtio/virtio_rxtx.c       2014-08-25 19:00:09.918550097 
-0700
@@ -258,7 +258,7 @@ virtio_dev_vring_start(struct virtqueue
         * Reinitialise since virtio port might have been stopped and restarted
         */
        memset(vq->vq_ring_virt_mem, 0, vq->vq_ring_size);
-       vring_init(vr, size, ring_mem, vq->vq_alignment);
+       vring_init(vr, size, ring_mem, VIRTIO_PCI_VRING_ALIGN);
        vq->vq_used_cons_idx = 0;
        vq->vq_desc_head_idx = 0;
        vq->vq_avail_idx = 0;
--- a/lib/librte_pmd_virtio/virtqueue.h 2014-08-25 19:00:09.918550097 -0700
+++ b/lib/librte_pmd_virtio/virtqueue.h 2014-08-25 19:00:09.918550097 -0700
@@ -139,8 +139,7 @@ struct virtqueue {
        uint8_t     port_id;              /**< Device port identifier. */

        void        *vq_ring_virt_mem;    /**< linear address of vring*/
-       int         vq_alignment;
-       int         vq_ring_size;
+       unsigned int vq_ring_size;
        phys_addr_t vq_ring_mem;          /**< physical address of vring */

        struct vring vq_ring;    /**< vring keeping desc, used and avail */

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