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e1c420ac99
The writepage operation is deprecated as it leads to worse performance under high memory pressure due to folios being written out in LRU order rather than sequentially within a file. Use filemap_migrate_folio() to support dirty folio migration instead of writepage. Signed-off-by: "Matthew Wilcox (Oracle)" <willy@infradead.org> Signed-off-by: Miklos Szeredi <mszeredi@redhat.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.