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The volume index is a large delta index that maps each record name to the chapter which contains the newest record for that name. The volume index can contain several million records and is stored entirely in memory while the index is operating, accounting for the majority of the deduplication index's memory budget. The volume index is composed of two subindexes in order to handle sparse hook names separately from regular names. If sparse indexing is not enabled, the sparse hook portion of the volume index is not used or instantiated. Co-developed-by: J. corwin Coburn <corwin@hurlbutnet.net> Signed-off-by: J. corwin Coburn <corwin@hurlbutnet.net> Co-developed-by: Michael Sclafani <dm-devel@lists.linux.dev> Signed-off-by: Michael Sclafani <dm-devel@lists.linux.dev> Co-developed-by: Thomas Jaskiewicz <tom@jaskiewicz.us> Signed-off-by: Thomas Jaskiewicz <tom@jaskiewicz.us> Signed-off-by: Matthew Sakai <msakai@redhat.com> Signed-off-by: Mike Snitzer <snitzer@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 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.