From: David Miller <davem@davemloft.net>
To: eric.dumazet@gmail.com
Cc: richard.weinberger@gmail.com, gladewitz@gmx.de,
linux-kernel@vger.kernel.org, netdev@vger.kernel.org
Subject: Re: Kernel-DOS error in arp mechanism =?iso-2022-jp-3?B?GyQoUSN8GyhC?= no delete off incomplete arp adresses
Date: Wed, 21 Dec 2011 15:47:34 -0500 (EST) [thread overview]
Message-ID: <20111221.154734.248295514779001007.davem@davemloft.net> (raw)
In-Reply-To: <1324461072.2728.19.camel@edumazet-HP-Compaq-6005-Pro-SFF-PC>
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Wed, 21 Dec 2011 10:51:12 +0100
> [PATCH] ipv4: reintroduce route cache garbage collector
>
> Commit 2c8cec5c10b (ipv4: Cache learned PMTU information in inetpeer)
> removed IP route cache garbage collector a bit too soon, as this gc was
> responsible for expired routes cleanup, releasing their neighbour
> reference.
>
> As pointed out by Robert Gladewitz, recent kernels can fill and exhaust
> their neighbour cache.
>
> Reintroduce the garbage collection, since we'll have to wait our
> neighbour lookups become refcount-less to not depend on this stuff.
>
> Reported-by: Robert Gladewitz <gladewitz@gmx.de>
> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Applied, thanks Eric.
prev parent reply other threads:[~2011-12-21 20:47 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <4EEC5286.3070408@gmx.de>
2011-12-17 13:26 ` Kernel-DOS error in arp mechanism – no delete off incomplete arp adresses richard -rw- weinberger
2011-12-21 7:44 ` Eric Dumazet
2011-12-21 8:07 ` Kernel-DOS error in arp mechanism =?iso-2022-jp-3?B?GyQoUSN8GyhC?= " David Miller
2011-12-21 9:51 ` Kernel-DOS error in arp mechanism – " Eric Dumazet
2011-12-21 20:47 ` David Miller [this message]
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