TCP delayed ack timeout

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How do i change the TCP delayed ack timeout in RHEL 6.1?

I have found /proc/sys/net/ipv4/tcp_delack_min in the MRG version but that does not exist in my RHEL 6.1 installation.


Is there a way to configure this in this version?


Thankful for any tips...


Quoting from the commenter:
"I've heard back from Red Hat on this. The patch providing this feature is the bz460217-nagle-tunables.patch. It is no longer part of the RHEL MRG 1.3 kernel, but will be added to the next update of the RHEL MRG 2.0 kernel.

Comments from the patch:

Make ato min and delack min tunable
This might potentially help with some programs which have problems with nagle.
Sockets have to be restarted"

For what its worth, I couldn't find the symbol in the namelist with the current RHEL 6.1 kernel.