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2d974619a7
The old code goes: offset = logical - em->start; length = min_t(u64, em->len - offset, length); Where @length calculation is dependent on offset, it can take reader several more seconds to find it's just the same code as: offset = logical - em->start; length = min_t(u64, em->start + em->len - logical, length); Use above code to make the length calculate independent from other variable, thus slightly increase the readability. Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Reviewed-by: Josef Bacik <josef@toxicpanda.com> Signed-off-by: Qu Wenruo <wqu@suse.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.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.