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b5f1eed853
The GPU visible size of a GEM BO is not necessarily PAGE_SIZE aligned, which happens when CPU page size is not equal to GPU page size. Extra precious resources such as GPU page tables and GPU TLBs may being paid because of this but never get used. Track the size of GPU visible part of GEM BO separately, ensure no GPUVA range wasting by aligning that size to GPU page size. Signed-off-by: Sui Jingfeng <sui.jingfeng@linux.dev> Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
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 reStructuredText 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.