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7063150650
Let's have the following variants for destroying pages: (1) uv_destroy(): Like uv_pin_shared() and uv_convert_from_secure(), "low level" helper that operates on paddr and doesn't mess with folios. (2) uv_destroy_folio(): Consumes a folio to which we hold a reference. (3) uv_destroy_pte(): Consumes a PTE that holds a reference through the mapping. Unfortunately we need uv_destroy_pte(), because pfn_folio() and friends are not available in pgtable.h. Reviewed-by: Claudio Imbrenda <imbrenda@linux.ibm.com> Signed-off-by: David Hildenbrand <david@redhat.com> Link: https://lore.kernel.org/r/20240508182955.358628-8-david@redhat.com Signed-off-by: Heiko Carstens <hca@linux.ibm.com> Signed-off-by: Alexander Gordeev <agordeev@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 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.