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Eric Dumazet
ca412f25d6
net.ipv4.tcp_comp_sack_slack_ns current default value is too high. When a flow has many drops (1 % or more), and small RTT, adding 100 usec before sending SACK stalls the sender relying on getting SACK fast enough to keep the pipe busy. Decrease the default to 10 usec. This is orthogonal to Congestion Control heuristics to determine if drops are caused by congestion or not. Signed-off-by: Eric Dumazet <edumazet@google.com> Reviewed-by: Neal Cardwell <ncardwell@google.com> Link: https://patch.msgid.link/20251114135141.3810964-1-edumazet@google.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.