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bf9bf7042a
With CONFIG_MAXSMP, sizeof(cpumask_t) is 1 Kb. The queue vector structure has them embedded, which means 1 additional Kb of not really hotpath data. We have cpumask_var_t, which is either an embedded cpumask or a pointer for allocating it dynamically when it's big. Use it instead of plain cpumasks and put &idpf_q_vector on a good diet. Also remove redundant pointer to the interrupt name from the structure. request_irq() saves it and free_irq() returns it on deinit, so that you can free the memory. Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com> Signed-off-by: Alexander Lobakin <aleksander.lobakin@intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com> |
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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.