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cfbf07e278
As a cleanup and preparation for future folio migration, this patch would replace all page->private to folio version. This includes: - PagePrivate() -> folio_test_private() - page->private -> folio_get_private() - attach_page_private() -> folio_attach_private() - detach_page_private() -> folio_detach_private() Since we're here, also remove the forced cast on page->private, since it's (void *) already, we don't really need to do the cast. For now even if we missed some call sites, it won't cause any problem yet, as we're only using order 0 folio (single page), thus all those folio/page flags should be synced. But for the future conversion to utilize higher order folio, the page <-> folio flag sync is no longer guaranteed, thus we have to migrate to utilize folio flags. Reviewed-by: Josef Bacik <josef@toxicpanda.com> Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com> Signed-off-by: Qu Wenruo <wqu@suse.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.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.