Messages in this thread | | | Date | Wed, 21 Dec 2011 15:47:34 -0500 (EST) | Subject | Re: Kernel-DOS error in arp mechanism – no delete off incomplete arp adresses | From | David Miller <> |
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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.
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