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Message-ID: <1401187996-10252-3-git-send-email-dingtianhong@huawei.com> Date: Tue, 27 May 2014 18:53:16 +0800 From: Ding Tianhong <dingtianhong@...wei.com> To: <kaber@...sh.net>, <davem@...emloft.net> CC: <netdev@...r.kernel.org> Subject: [PATCH net-next 2/2] macvlan: slight optimization for macvlan_handle_frame Add unlikely() micro to the unlikely conditions in the macvlan_handle_frame for slight optimization. Signed-off-by: Ding Tianhong <dingtianhong@...wei.com> --- drivers/net/macvlan.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c index c9ada17..88694d5 100644 --- a/drivers/net/macvlan.c +++ b/drivers/net/macvlan.c @@ -314,7 +314,7 @@ static rx_handler_result_t macvlan_handle_frame(struct sk_buff **pskb) } len = skb->len + ETH_HLEN; skb = skb_share_check(skb, GFP_ATOMIC); - if (!skb) + if (unlikely(!skb)) goto out; skb->dev = vlan->dev; -- 1.8.0 -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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