search for: avail_entries

...AGE_HINT)) + vb->free_page_vq = vqs[VIRTIO_BALLOON_VQ_FREE_PAGE]; + return 0; } +static void report_free_page_func(struct work_struct *work) +{ + struct virtio_balloon *vb; + struct virtqueue *vq; + struct virtio_balloon_free_page_hints *hints; + struct scatterlist sg; + uint32_t hdr_size, avail_entries, added_entries; + + vb = container_of(work, struct virtio_balloon, report_free_page_work); + vq = vb->free_page_vq; + hints = vb->hints; + hdr_size = sizeof(hints->num_hints) + sizeof(hints->size); + avail_entries = (FREE_PAGE_HINT_MEM_SIZE - hdr_size) / sizeof(__le64); + + added_entrie...

This patch series is separated from the previous "Virtio-balloon Enhancement" series. The new feature, VIRTIO_BALLOON_F_FREE_PAGE_HINT, implemented by this series enables the virtio-balloon driver to report hints of guest free pages to the host. It can be used to accelerate live migration of VMs. Here is an introduction of this usage: Live migration needs to transfer the VM's

This patch series is separated from the previous "Virtio-balloon Enhancement" series. The new feature, VIRTIO_BALLOON_F_FREE_PAGE_HINT, implemented by this series enables the virtio-balloon driver to report hints of guest free pages to the host. It can be used to accelerate live migration of VMs. Here is an introduction of this usage: Live migration needs to transfer the VM's