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cdd9a571b7
... and rename it to folio_precise_page_mapcount(). fs/proc is the last remaining user, and that should stay that way. While at it, cleanup kpagecount_read() a bit: there are still some legacy leftovers -- when the interface was introduced it returned the page refcount, but was changed briefly afterwards to return the page mapcount. Further, some simple folio conversion. Once we stop using the per-page mapcounts of large folios, all folio_precise_page_mapcount() users will have to implement an alternative way to achieve what they are trying to achieve, possibly in a less precise way. [dan.carpenter@linaro.org: fix uninitialized variable in pagemap_pmd_range()] Link: https://lkml.kernel.org/r/9d6eaba7-92f8-4a70-8765-38a519680a87@moroto.mountain Link: https://lkml.kernel.org/r/20240607122357.115423-6-david@redhat.com Signed-off-by: David Hildenbrand <david@redhat.com> Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org> Cc: Alexey Dobriyan <adobriyan@gmail.com> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Cc: Lance Yang <ioworker0@gmail.com> Cc: Oscar Salvador <osalvador@suse.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
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| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| io_uring | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| rust | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .editorconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| .rustfmt.toml | ||
| COPYING | ||
| CREDITS | ||
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| MAINTAINERS | ||
| Makefile | ||
| README | ||
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.