netdev - [PATCH net] net: arc_emac: replace dev_kfree_skb_irq by dev_consume_skb

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Message-Id: <1550156010-4458-1-git-send-email-albin_yang@163.com>
Date:   Thu, 14 Feb 2019 22:53:30 +0800
From:   Yang Wei <albin_yang@....com>
To:     netdev@...r.kernel.org
Cc:     davem@...emloft.net, andrew@...n.ch, yang.wei9@....com.cn,
        albin_yang@....com
Subject: [PATCH net] net: arc_emac: replace dev_kfree_skb_irq by dev_consume_skb_irq for drop profiles

From: Yang Wei <yang.wei9@....com.cn>

dev_consume_skb_irq() should be called in arc_emac_tx_clean() when
skb xmit done. It makes drop profiles(dropwatch, perf) more friendly.

Signed-off-by: Yang Wei <yang.wei9@....com.cn>
---
 drivers/net/ethernet/arc/emac_main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/arc/emac_main.c b/drivers/net/ethernet/arc/emac_main.c
index 4406325..ff3d685 100644
--- a/drivers/net/ethernet/arc/emac_main.c
+++ b/drivers/net/ethernet/arc/emac_main.c
@@ -148,7 +148,7 @@ static void arc_emac_tx_clean(struct net_device *ndev)
 				 dma_unmap_len(tx_buff, len), DMA_TO_DEVICE);
 
 		/* return the sk_buff to system */
-		dev_kfree_skb_irq(skb);
+		dev_consume_skb_irq(skb);
 
 		txbd->data = 0;
 		txbd->info = 0;
-- 
2.7.4