Il 11/07/2014 10:19, Andrew Jones ha scritto:
+static struct virtqueue *vm_setup_vq(struct virtio_device *vdev,
+ unsigned index,
+ void (*callback)(struct virtqueue *vq),
+ const char *name)
+{
+ struct virtio_mmio_device *vm_dev = to_virtio_mmio_device(vdev);
+ struct vring_virtqueue *vq;
+ void *queue;
+ unsigned num = VIRTIO_MMIO_QUEUE_NUM_MIN;
+
+ vq = alloc(sizeof(*vq));
You can move the allocation of vq to vm_find_vqs (interleaving alloc and
alloc_aligned causes some fragmentation), allocating a single block
instead of one per vq.
Paolo
+ queue = alloc_aligned(VIRTIO_MMIO_QUEUE_SIZE_MIN, PAGE_SIZE);
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