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vsock/virtio: Rename virtio_vsock_alloc_skb()

Browse source 
In preparation for nonlinear allocations for large SKBs, rename
virtio_vsock_alloc_skb() to virtio_vsock_alloc_linear_skb() to indicate
that it returns linear SKBs unconditionally and switch all callers over
to this new interface for now.

No functional change.

Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Signed-off-by: Will Deacon <will@kernel.org>
Message-Id: <20250717090116.11987-6-will@kernel.org>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Will Deacon 2025-07-17 10:01:12 +01:00 • committed by Michael S. Tsirkin
parent 03a92f036a
commit 2304c64a28
4 changed files with 5 additions and 4 deletions
Download patch file Download diff file Expand all files Collapse all files

2
drivers/vhost/vsock.c
View file

@ -348,7 +348,7 @@ vhost_vsock_alloc_skb(struct vhost_virtqueue *vq,
return NULL;
/* len contains both payload and hdr */
skb = virtio_vsock_alloc_skb(len, GFP_KERNEL);
skb = virtio_vsock_alloc_linear_skb(len, GFP_KERNEL);
if (!skb)
return NULL;

3
include/linux/virtio_vsock.h
View file

@ -52,7 +52,8 @@ static inline void virtio_vsock_skb_rx_put(struct sk_buff *skb, u32 len)
skb_put(skb, len);
}
static inline struct sk_buff *virtio_vsock_alloc_skb(unsigned int size, gfp_t mask)
static inline struct sk_buff *
virtio_vsock_alloc_linear_skb(unsigned int size, gfp_t mask)
{
struct sk_buff *skb;

2
net/vmw_vsock/virtio_transport.c
View file

@ -316,7 +316,7 @@ static void virtio_vsock_rx_fill(struct virtio_vsock *vsock)
vq = vsock->vqs[VSOCK_VQ_RX];
do {
skb = virtio_vsock_alloc_skb(total_len, GFP_KERNEL);
skb = virtio_vsock_alloc_linear_skb(total_len, GFP_KERNEL);
if (!skb)
break;

2
net/vmw_vsock/virtio_transport_common.c
View file

@ -261,7 +261,7 @@ static struct sk_buff *virtio_transport_alloc_skb(struct virtio_vsock_pkt_info *
if (!zcopy)
skb_len += payload_len;
skb = virtio_vsock_alloc_skb(skb_len, GFP_KERNEL);
skb = virtio_vsock_alloc_linear_skb(skb_len, GFP_KERNEL);
if (!skb)
return NULL;