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0d6b35283b
task_state_index() ignores uninteresting state flags (such as TASK_FREEZABLE) for most states, but for TASK_IDLE and TASK_RTLOCK_WAIT it does not. So if a task is waiting TASK_IDLE|TASK_FREEZABLE it gets incorrectly reported as TASK_UNINTERRUPTIBLE or "D". (it is planned for nfsd to change to use this state). Fix this by only testing the interesting bits and not the irrelevant bits in __task_state_index() Signed-off-by: NeilBrown <neilb@suse.de> Signed-off-by: Ingo Molnar <mingo@kernel.org> Link: https://lore.kernel.org/r/169335025927.5133.4781141800413736103@noble.neil.brown.name
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.