From: Yunsheng Lin Date: Sat, 19 Oct 2019 08:03:55 +0000 (+0800) Subject: net: hns3: do not allocate linear data for fraglist skb X-Git-Tag: v5.10.7~3838^2~340^2~1 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=7fda3a930d15a993389018e31532f3a1e34974ab;p=platform%2Fkernel%2Flinux-rpi.git net: hns3: do not allocate linear data for fraglist skb Currently, napi_alloc_skb() is used to allocate skb for fraglist when the head skb is not enough to hold the remaining data, and the remaining data is added to the frags part of the fraglist skb, leaving the linear part unused. So this patch passes length of 0 to allocate fraglist skb with zero size of linear data. Signed-off-by: Yunsheng Lin Signed-off-by: Huazhong Tan Signed-off-by: David S. Miller --- diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c index 1c5e0d2..0fdd684 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c @@ -2863,8 +2863,7 @@ static int hns3_add_frag(struct hns3_enet_ring *ring, struct hns3_desc *desc, return -ENXIO; if (unlikely(ring->frag_num >= MAX_SKB_FRAGS)) { - new_skb = napi_alloc_skb(&ring->tqp_vector->napi, - HNS3_RX_HEAD_SIZE); + new_skb = napi_alloc_skb(&ring->tqp_vector->napi, 0); if (unlikely(!new_skb)) { hns3_rl_err(ring_to_netdev(ring), "alloc rx fraglist skb fail\n");