Matthew Wilcox 552446a416 shmem: Convert shmem_add_to_page_cache to XArray
We can use xas_find_conflict() instead of radix_tree_gang_lookup_slot()
to find any conflicting entry and combine the three paths through this
function into one.

Signed-off-by: Matthew Wilcox <willy@infradead.org>
2018-10-21 10:46:40 -04:00
2018-09-29 22:47:49 -04:00
2018-10-21 10:46:39 -04:00
2018-10-21 10:46:39 -04:00
2018-09-29 22:47:48 -04:00
2018-10-21 10:46:00 -04:00
2018-09-23 19:15:18 +02:00

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.
See Documentation/00-INDEX for a list of what is contained in each file.

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.
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