netdev - Re: [PATCH net-next] neighbour: force neigh_invalidate when NUD

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Message-Id: <20180627.154102.1604306696057902788.davem@davemloft.net>
Date:   Wed, 27 Jun 2018 15:41:02 +0900 (KST)
From:   David Miller <davem@...emloft.net>
To:     roopa@...ulusnetworks.com
Cc:     netdev@...r.kernel.org
Subject: Re: [PATCH net-next] neighbour: force neigh_invalidate when
 NUD_FAILED update is from admin

From: Roopa Prabhu <roopa@...ulusnetworks.com>
Date: Mon, 25 Jun 2018 20:32:53 -0700

> From: Roopa Prabhu <roopa@...ulusnetworks.com>
> 
> In systems where neigh gc thresh holds are set to high values,
> admin deleted neigh entries (eg ip neigh flush or ip neigh del) can
> linger around in NUD_FAILED state for a long time until periodic gc kicks
> in. This patch forces neigh_invalidate when NUD_FAILED neigh_update is
> from an admin.
> 
> Signed-off-by: Roopa Prabhu <roopa@...ulusnetworks.com>

Applied.