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477327e106
As discussed in [1], damon_va_evenly_split_region() is called to size-evenly split a region into 'nr_pieces' small regions, when nr_pieces == 1, no actual split is required. Check that case for better code readability and add a simple kunit testcase. [1] https://lore.kernel.org/all/20241021163316.12443-1-sj@kernel.org/ Link: https://lkml.kernel.org/r/20241022083927.3592237-3-zhengyejian@huaweicloud.com Signed-off-by: Zheng Yejian <zhengyejian@huaweicloud.com> Reviewed-by: SeongJae Park <sj@kernel.org> Cc: Fernand Sieber <sieberf@amazon.com> Cc: Leonard Foerster <foersleo@amazon.de> Cc: Shakeel Butt <shakeel.butt@linux.dev> Cc: Ye Weihua <yeweihua4@huawei.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.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.