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2da4c51a66
Call read_cache_folio() instead of read_cache_page() to get the folio containing the page. No attempt is made here to support large folios as I assume that will never be interesting for jffs2. Includes a switch from kmap to kmap_local which looks safe. Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> Link: https://lore.kernel.org/r/20240814195915.249871-3-willy@infradead.org Reviewed-by: Zhihao Cheng <chengzhihao1@huawei.com> Signed-off-by: Christian Brauner <brauner@kernel.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.