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2f528020a2
Conversion between u32 and unsigned long is tautological there, and the only use of return value is to return it from __cmpxchg() (which return unsigned long). Get rid of explicit casts in __cmpxchg_u32() call, while we are at it - normal conversions for arguments will do just fine. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Paul E. McKenney <paulmck@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 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.