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ac7756771a
Currently we install pmd folio with map_anon_folio_pmd() in __do_huge_pmd_anonymous_page() and do_huge_zero_wp_pmd(). While in collapse_huge_page(), it is done with identical code except statistics adjustment. Unify the process with map_anon_folio_pmd() to install pmd folio. Split it to map_anon_folio_pmd_pf() and map_anon_folio_pmd_nopf() to be used in page fault or not respectively. No functional change is intended. [akpm@linux-foundation.org: remove unneeded map_anon_folio_pmd_nopf() stub, per Wei & David] Link: https://lkml.kernel.org/r/20251008095453.18772-3-richard.weiyang@gmail.com Signed-off-by: Wei Yang <richard.weiyang@gmail.com> Acked-by: David Hildenbrand <david@redhat.com> Reviewed-by: Zi Yan <ziy@nvidia.com> Acked-by: Lance Yang <lance.yang@linux.dev> Cc: David Hildenbrand <david@redhat.com> Cc: Lance Yang <lance.yang@linux.dev> Cc: Dev Jain <dev.jain@arm.com> Cc: Zi Yan <ziy@nvidia.com> Cc: Usama Arif <usamaarif642@gmail.com> Cc: Matthew Wilcox <willy@infradead.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.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 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.