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Damien Le Moal
57ed93fe79
There is no need to loop over all regions to find the memory window used to map an address. We can use rockchip_ob_region() to determine the region index, together with a check that the address passed as argument is the address used to create the mapping. Furthermore, the ob_region_map bitmap should also be checked to ensure that we are not attempting to unmap an address that is not mapped. Link: https://lore.kernel.org/r/20241017015849.190271-4-dlemoal@kernel.org Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com> Signed-off-by: Krzysztof Wilczyński <kwilczynski@kernel.org> Signed-off-by: Bjorn Helgaas <bhelgaas@google.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 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.