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925bba24e68a97b9c7926f2df4f405af883e6d0c
At present, tcp_recvmsg() uses flags to track if any CMSGs are pending and what those CMSGs are. These flags are currently magic numbers, used only within tcp_recvmsg(). To prepare for receive timestamp support in tcp receive zerocopy, gently refactor these magic numbers into enums. Signed-off-by: Arjun Roy <arjunroy@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 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.
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