netdev - [PATCH] neighbour: Do not perturb drop profiles when neigh

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Message-Id: <1547737890-26800-1-git-send-email-albin_yang@163.com>
Date:   Thu, 17 Jan 2019 23:11:30 +0800
From:   Yang Wei <albin_yang@....com>
To:     netdev@...r.kernel.org
Cc:     davem@...emloft.net, yang.wei9@....com.cn
Subject: [PATCH] neighbour: Do not perturb drop profiles when neigh_probe

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

Replace the kfree_skb() by consume_skb() to be drop monitor(dropwatch,
perf) friendly.

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

diff --git a/net/core/neighbour.c b/net/core/neighbour.c
index 763a7b0..9177f04 100644
--- a/net/core/neighbour.c
+++ b/net/core/neighbour.c
@@ -1002,7 +1002,7 @@ static void neigh_probe(struct neighbour *neigh)
 	if (neigh->ops->solicit)
 		neigh->ops->solicit(neigh, skb);
 	atomic_inc(&neigh->probes);
-	kfree_skb(skb);
+	consume_skb(skb);
 }
 
 /* Called when a timer expires for a neighbour entry. */
-- 
2.7.4