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I cannot find any more the /proc/sys/net/ipv4/tcp_delack_min parameter on RT kernels in MRG 2.3+

Solution Unverified - Updated 2014-01-24T14:45:58+00:00 -

Issue

I'm testing kernel 3.6.11.5-rt37.55.el6rt.x86_64 with my program.

It seems that the parameter tcp_delack_min has disappeared:

# echo 1 > /proc/sys/net/ipv4/tcp_delack_min -bash: /proc/sys/net/ipv4/tcp_delack_min: No such file or directory

My performance-based program uses successfully the RT parameter
net.ipv4.tcp_delack_min with kernel 3.0.36-rt57.66.el6rt.x86_64.

Why this parameter is not present anymore?

Environment

Red Hat Enterprise MRG 2.3+

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