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81edb1ba32
The function unmap_hugepage_range() has two kinds of users: 1) unmap_ref_private(), which passes in the head page of a folio. Since unmap_ref_private() already takes folio and there are no other uses of the folio struct in the function, it is natural for unmap_hugepage_range() to take folio also. 2) All other uses, which pass in NULL pointer. In both cases, we can pass in folio. Refactor unmap_hugepage_range() to take folio. Link: https://lkml.kernel.org/r/20250505182345.506888-4-nifan.cxl@gmail.com Signed-off-by: Fan Ni <fan.ni@samsung.com> Reviewed-by: Muchun Song <muchun.song@linux.dev> Reviewed-by: Sidhartha Kumar <sidhartha.kumar@oracle.com> Reviewed-by: Oscar Salvador <osalvador@suse.de> Acked-by: David Hildenbrand <david@redhat.com> Cc: Matthew Wilcox (Oracle) <willy@infradead.org> Cc: "Vishal Moola (Oracle)" <vishal.moola@gmail.com> 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.