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9babe825da
Since we always allocate memory, allocate just a little bit more for the BPF program in case it need to override user input with bigger value. The canonical example is TCP_CONGESTION where input string might be too small to override (nv -> bbr or cubic). 16 bytes are chosen to match the size of TCP_CA_NAME_MAX and can be extended in the future if needed. Signed-off-by: Stanislav Fomichev <sdf@google.com> Signed-off-by: Alexei Starovoitov <ast@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.