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b9ba680969
The current /sys/kernel/debug/kernel_page_tables does not display the *Linear Mapping start* marker on arm64, which I think should be paired with the *Linear Mapping end* marker. Since *Linear Mapping start* is the first marker, use initialise 'level' to -1 in order to display it. Signed-off-by: Hailong Liu <liu.hailong6@zte.com.cn> Link: https://lore.kernel.org/r/20210202150749.10104-1-liuhailongg6@163.com Signed-off-by: Will Deacon <will@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 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.