[no subject]

> @@ -2421,6 +2418,9 @@ static int add_recvbuf_small(struct virtnet_info *vi, struct receive_queue *rq,
>  	len = SKB_DATA_ALIGN(len) +
>  	      SKB_DATA_ALIGN(sizeof(struct skb_shared_info));
>  
> +	if (unlikely(!skb_page_frag_refill(len, &rq->alloc_frag, gfp)))
> +		return -ENOMEM;
> +
>  	buf = virtnet_rq_alloc(rq, len, gfp);
>  	if (unlikely(!buf))
>  		return -ENOMEM;
> @@ -2521,6 +2521,12 @@ static int add_recvbuf_mergeable(struct virtnet_info *vi,
>  	 */
>  	len = get_mergeable_buf_len(rq, &rq->mrg_avg_pkt_len, room);
>  
> +	if (unlikely(!skb_page_frag_refill(len + room, alloc_frag, gfp)))
> +		return -ENOMEM;
> +
> +	if (!alloc_frag->offset && len + room + sizeof(struct virtnet_rq_dma) > alloc_frag->size)
> +		len -= sizeof(struct virtnet_rq_dma);
> +
>  	buf = virtnet_rq_alloc(rq, len + room, gfp);
>  	if (unlikely(!buf))
>  		return -ENOMEM;
> -- 
> 2.32.0.3.g01195cf9f