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To remove the sd_flag parameter of select_task_rq(), we need another way of encoding wakeup types. There already is a WF_FORK flag, add the missing two. With that said, we still need an easy way to turn WF_foo into SD_bar (e.g. WF_TTWU into SD_BALANCE_WAKE). As suggested by Peter, let's make our lives easier and make them match exactly, and throw in some compile-time checks for good measure. Signed-off-by: Valentin Schneider <valentin.schneider@arm.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://lkml.kernel.org/r/20201102184514.2733-2-valentin.schneider@arm.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.