This patch optimizes packing of the virtuqueue struct by moving fields around to fill holes.
Offset field is not used and so can be removed. Signed-off-by: Maxime Coquelin <maxime.coque...@redhat.com> --- drivers/net/virtio/virtqueue.h | 18 +++++++++--------- 1 file changed, 9 insertions(+), 9 deletions(-) diff --git a/drivers/net/virtio/virtqueue.h b/drivers/net/virtio/virtqueue.h index c64e7dcbdf..3b08aac931 100644 --- a/drivers/net/virtio/virtqueue.h +++ b/drivers/net/virtio/virtqueue.h @@ -245,6 +245,15 @@ struct virtqueue { uint16_t vq_avail_idx; /**< sync until needed */ uint16_t vq_free_thresh; /**< free threshold */ + /** + * Head of the free chain in the descriptor table. If + * there are no free descriptors, this will be set to + * VQ_RING_DESC_CHAIN_END. + */ + uint16_t vq_desc_head_idx; + uint16_t vq_desc_tail_idx; + uint16_t vq_queue_index; /**< PCI queue index */ + void *vq_ring_virt_mem; /**< linear address of vring*/ unsigned int vq_ring_size; @@ -257,15 +266,6 @@ struct virtqueue { rte_iova_t vq_ring_mem; /**< physical address of vring, * or virtual address for virtio_user. */ - /** - * Head of the free chain in the descriptor table. If - * there are no free descriptors, this will be set to - * VQ_RING_DESC_CHAIN_END. - */ - uint16_t vq_desc_head_idx; - uint16_t vq_desc_tail_idx; - uint16_t vq_queue_index; /**< PCI queue index */ - uint16_t offset; /**< relative offset to obtain addr in mbuf */ uint16_t *notify_addr; struct rte_mbuf **sw_ring; /**< RX software ring. */ struct vq_desc_extra vq_descx[0]; -- 2.29.2