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3c5e9da4e1
On RaspberryPi, only the first 1Gb can be used for DMA[1]. [1] http://lists.infradead.org/pipermail/linux-arm-kernel/2019-July/665986.html Signed-off-by: Andrei Gherzan <andrei@balena.io>
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.