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2074beebac
The cache functions to flush user cache (*_flush_user_cache_all) are in many cases just a branch to the corresponfing userspace or kernelspace function. These functions also have the same arguments. Simplify these by using SYM_FUNC_ALIAS() in all affected sites. The NOP cache has very many similar calls which are just returns, but it would be confusing to use aliases here, so leave all the explicit returns and drop a comment on why we are not using aliases. Reviewed-by: Sami Tolvanen <samitolvanen@google.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
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 reStructuredText 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.