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6da580ec65
Currently, we don't allow the creation of a remote partition underneath another local or remote partition. However, it is currently possible to create a new local partition with an existing remote partition underneath it if top_cpuset is the parent. However, the current cpuset code does not set the effective exclusive CPUs correctly to account for those that are taken by the remote partition. Changing the code to properly account for those remote partition CPUs under all possible circumstances can be complex. It is much easier to not allow such a configuration which is not that useful. So forbid that by making sure that exclusive_cpus mask doesn't overlap with subpartitions_cpus and invalidate the partition if that happens. Signed-off-by: Waiman Long <longman@redhat.com> Signed-off-by: Tejun Heo <tj@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 reStructuredText 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.