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[ Upstream commit 8c6d097d830f779fc1725fbaa1314f20a7a07b4b ] The new memory scheme page faults are requesting the driver to fetch additinal pages to the faulted memory access. This is done in order to prefetch pages before and after the area that got the page fault, assuming this will reduce the total amount of page faults. The driver should ensure it handles only the pages that are within the umem range. Signed-off-by: Michael Guralnik <michaelgur@nvidia.com> Link: https://patch.msgid.link/20240909100504.29797-5-michaelgur@nvidia.com Signed-off-by: Leon Romanovsky <leon@kernel.org> Signed-off-by: Sasha Levin <sashal@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.