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IS_ENABLED(CONFIG_ENCRYPTED_KEYS) is true whether the option is built-in or a module, so use it instead of #if defined checking for each separately. The other #if was to avoid a static function defined, but unused warning. As we now always build the callsite when the function is defined, we can remove that first #if guard. Suggested-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de> Acked-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Signed-off-by: Mike Snitzer <snitzer@redhat.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.