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4b6c33b322
Get ready to pin more pages at once with struct vfio_batch, which represents a batch of pinned pages. The struct has a fallback page pointer to avoid two unlikely scenarios: pointlessly allocating a page if disable_hugepages is enabled or failing the whole pinning operation if the kernel can't allocate memory. vaddr_get_pfn() becomes vaddr_get_pfns() to prepare for handling multiple pages, though for now only one page is stored in the pages array. Signed-off-by: Daniel Jordan <daniel.m.jordan@oracle.com> Signed-off-by: Alex Williamson <alex.williamson@redhat.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.