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In some systems the capacity and group weights line up to defeat all the small imbalance correction conditions in fix_small_imbalance, which can cause bad task placement. Add a new condition if the existing code can't see anything to fix: If we have asymmetric capacity, and there are more tasks than CPUs in the busiest group *and* there are less tasks than CPUs in the local group then we try to pull something. There could be transient small tasks which prevent this from working, but on the whole it is beneficial for those systems with inconvenient capacity/cluster size relationships. Change-Id: Icf81cde215c082a61f816534b7990ccb70aee409 Signed-off-by: Chris Redpath <chris.redpath@arm.com> Signed-off-by: Quentin Perret <quentin.perret@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.