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f4d6b94b40
Change the algorithm used by apparmor to compress profile data from zlib to zstd, using the new zstd API introduced in 5.16. Zstd provides a larger range of compression levels than zlib and significantly better performance at the default level (for a relatively small increase in compressed size). The apparmor module parameter raw_data_compression_level is now clamped to the minimum and maximum compression levels reported by the zstd library. A compression level of 0 retains the previous behavior of disabling policy compression instead of using zstd's behavior, which is to use the default compression level. Signed-off-by: Jon Tourville <jon.tourville@canonical.com> Signed-off-by: John Johansen <john.johansen@canonical.com>
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.