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8aad24ad9d
The algorithm used for scrolling is the array juggling. It has complexity O(N) and space complexity O(1). I.e. quite fast w/o requirements for temporary storage. Move the algorithm to a separate function so it is obvious what it is. It is almost generic (except the array type), so if anyone else wants array rotation, feel free to make it generic and move it to include/. And rename all the variables from i, j, k, sz, d, and so on to something saner. Signed-off-by: Jiri Slaby (SUSE) <jirislaby@kernel.org> Link: https://lore.kernel.org/r/20230112080136.4929-9-jirislaby@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.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.