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86590e524e
With hash translation, the hypervisor can hint the LPAR about 16GB contiguous range via ibm,expected#pages. The kernel marks the range specified in the device tree as reserved. Avoid doing this when using radix translation. Radix translation only supports 1G gigantic hugepage and kernel can do the 1G gigantic hugepage allocation via early memblock reservation. This can be done because with radix translation pages are not required to be contiguous on the host. Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20200622064019.16682-1-aneesh.kumar@linux.ibm.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.