From: David Miller <davem@davemloft.net>
Date: Wed, 02 Dec 2009 22:13:49 -0800 (PST)

quoted text
> I had to apply the following fix on top to cure a warning on 64-bit.

I also had to apply another patch to fix build failures:

tcp: sysctl_tcp_cookie_size needs to be exported to modules.

Otherwise:

ERROR: "sysctl_tcp_cookie_size" [net/ipv6/ipv6.ko] undefined!
make[1]: *** [__modpost] Error 1

Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv4/tcp_output.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index c08e06d..93316a9 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -60,6 +60,7 @@ int sysctl_tcp_base_mss __read_mostly = 512;
 int sysctl_tcp_slow_start_after_idle __read_mostly = 1;
 
 int sysctl_tcp_cookie_size __read_mostly = 0; /* TCP_COOKIE_MAX */
+EXPORT_SYMBOL_GPL(sysctl_tcp_cookie_size);
 
 
 /* Account for new data that has been sent to the network. */
-- 
1.6.5

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