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In GAUDI we don't have an MMU towards the HBM device memory. Therefore, the user access that memory directly through physical address (via the different engines) without the need to go through the driver to allocate/free memory on the HBM. For system monitoring purposes, the driver will keep track of the HBM usage. This can be done as long as the user accurately reports the allocations and releases of HBM memory, through the existing MEMORY IOCTL uapi. Signed-off-by: Oded Gabbay <ogabbay@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.