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Eric Dumazet says: ==================== net: small csum optimizations After recent x86 csum_partial() optimizations, we can more easily see in kernel profiles costs of add/adc operations that could be avoided, by feeding a non zero third argument to csum_partial() ==================== Link: https://lore.kernel.org/r/20211124202446.2917972-1-eric.dumazet@gmail.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 Restructured Text 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.