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752b47b84d
Add a 'latency_sensitive' flag to uclamp in order to express the need for some tasks to find a CPU where they can wake-up quickly. This is not expected to be used without cgroup support, so add solely a cgroup interface for it. As this flag represents a boolean attribute and not an amount of resources to be shared, it is not clear what the delegation logic should be. As such, it is kept simple: every new cgroup starts with latency_sensitive set to false, regardless of the parent. In essence, this is similar to SchedTune's prefer-idle flag which was used in android-4.19 and prior. Bug: 120440300 Change-Id: I722d8ecabb428bb7b95a5b54bc70a87f182dde2a Signed-off-by: Quentin Perret <quentin.perret@arm.com> (cherry picked from commit ad7dd648fc7dbe11f23673a3463af2468a274998) Signed-off-by: Qais Yousef <qais.yousef@arm.com> Signed-off-by: Quentin Perret <qperret@google.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.
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.