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03dc0e0540
People complained the crashkernel reservation code flow is hard to follow, so add this document to explain the background, concepts and implementation of crashkernel reservation on arm64. Hope this can help people to understand it more easily. Signed-off-by: Baoquan He <bhe@redhat.com> Reviewed-by: Zhen Lei <thunder.leizhen@huawei.com> Link: https://lore.kernel.org/r/20230515060259.830662-3-bhe@redhat.com [catalin.marinas@arm.com: rewrote some sentences, removed others] Signed-off-by: Catalin Marinas <catalin.marinas@arm.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.