This is a note to let you know that I've just added the patch titled
ipv6: don't count addrconf generated routes against gc limit
to the 3.10-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
ipv6-don-t-count-addrconf-generated-routes-against-gc-limit.patch
and it can be found in the queue-3.10 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From foo@baz Mon Jan 13 09:39:01 PST 2014
From: Hannes Frederic Sowa <hannes@xxxxxxxxxxxxxxxxxxx>
Date: Sat, 7 Dec 2013 03:33:45 +0100
Subject: ipv6: don't count addrconf generated routes against gc limit
From: Hannes Frederic Sowa <hannes@xxxxxxxxxxxxxxxxxxx>
[ Upstream commit a3300ef4bbb1f1e33ff0400e1e6cf7733d988f4f ]
Brett Ciphery reported that new ipv6 addresses failed to get installed
because the addrconf generated dsts where counted against the dst gc
limit. We don't need to count those routes like we currently don't count
administratively added routes.
Because the max_addresses check enforces a limit on unbounded address
generation first in case someone plays with router advertisments, we
are still safe here.
Reported-by: Brett Ciphery <brett.ciphery@xxxxxxxxxxxxx>
Signed-off-by: Hannes Frederic Sowa <hannes@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
net/ipv6/route.c | 8 +++-----
1 file changed, 3 insertions(+), 5 deletions(-)
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -2099,12 +2099,10 @@ struct rt6_info *addrconf_dst_alloc(stru
bool anycast)
{
struct net *net = dev_net(idev->dev);
- struct rt6_info *rt = ip6_dst_alloc(net, net->loopback_dev, 0, NULL);
-
- if (!rt) {
- net_warn_ratelimited("Maximum number of routes reached, consider increasing route/max_size\n");
+ struct rt6_info *rt = ip6_dst_alloc(net, net->loopback_dev,
+ DST_NOCOUNT, NULL);
+ if (!rt)
return ERR_PTR(-ENOMEM);
- }
in6_dev_hold(idev);
Patches currently in stable-queue which might be from hannes@xxxxxxxxxxxxxxxxxxx are
queue-3.10/ipv6-don-t-count-addrconf-generated-routes-against-gc-limit.patch
queue-3.10/ipv6-always-set-the-new-created-dst-s-from-in-ip6_rt_copy.patch
queue-3.10/net-rose-restore-old-recvmsg-behavior.patch
queue-3.10/ipv6-fix-illegal-mac_header-comparison-on-32bit.patch
queue-3.10/ipv6-fixed-support-for-blackhole-and-prohibit-routes.patch
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