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f4e33d325f
Patch series "Add zpdesc memory descriptor for zswap.zpool", v9.
This patch series introduces a new memory descriptor for zswap.zpool that
currently overlaps with struct page for now. This is part of the effort
to reduce the size of struct page and to enable dynamic allocation of
memory descriptors [1].
This series does not bloat anything for zsmalloc and no functional change
is intended (except for using zpdesc and folios).
In the near future, the removal of page->index from struct page [2] will
be addressed and the project also depends on this patch series.
Thanks to everyone got involved in this series, especially, Alex who's
been pushing it forward this year.
[1] https://lore.kernel.org/linux-mm/ZvRKzKizOfEWBtJp@casper.infradead.org
[2] https://lore.kernel.org/linux-mm/Z09hOy-UY9KC8WMb@casper.infradead.org
This patch (of 18):
The 1st patch introduces new memory descriptor zpdesc and renames
zspage.first_page to zspage.first_zpdesc, with no functional change.
We removed the comment about PG_owner_priv_1 since it is no longer used
after commit
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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.