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2da09da4ae
Pull block revert from Jens Axboe: "It turns out that the fix for not hammering on the delayed work timer too much caused a performance regression for BFQ, so let's revert the change for now. I've got some ideas on how to fix it appropriately, but they should wait for 5.17" * tag 'block-5.16-2021-12-19' of git://git.kernel.dk/linux-block: Revert "block: reduce kblockd_mod_delayed_work_on() CPU consumption"
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.