diff options
| author | Christophe JAILLET <christophe.jaillet@wanadoo.fr> | 2023-02-18 09:10:31 +0100 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2023-04-21 03:02:29 -0400 |
| commit | 48cd6bc5b22d68b8bbc8601f3c7ddeed99541a0b (patch) | |
| tree | d6f3d472cd311eeedcd6f8a572e9caacf026ba96 /include/linux/virtio.h | |
| parent | e4be66e5f36b8cd2a052ba9e2ba063e6c37f5453 (diff) | |
virtio: Reorder fields in 'struct virtqueue'
Group some variables based on their sizes to reduce hole and avoid padding.
On x86_64, this shrinks the size of 'struct virtqueue'
from 72 to 68 bytes.
It saves a few bytes of memory.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Message-Id: <8f3d2e49270a2158717e15008e7ed7228196ba02.1676707807.git.christophe.jaillet@wanadoo.fr>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Peter Lafreniere <peter@n8pjl.ca>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Diffstat (limited to 'include/linux/virtio.h')
| -rw-r--r-- | include/linux/virtio.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/virtio.h b/include/linux/virtio.h index 2b472514c49b..d6e161aa532e 100644 --- a/include/linux/virtio.h +++ b/include/linux/virtio.h @@ -34,8 +34,8 @@ struct virtqueue { unsigned int index; unsigned int num_free; unsigned int num_max; - void *priv; bool reset; + void *priv; }; int virtqueue_add_outbuf(struct virtqueue *vq, |