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Dawei Li
a7fb69ffd7
In general it's preferable to avoid placing cpumasks on the stack, as for large values of NR_CPUS these can consume significant amounts of stack space and make stack overflows more likely. Use cpumask_first_and_and() to avoid the need for a temporary cpumask on the stack. Signed-off-by: Dawei Li <dawei.li@shingroup.cn> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Anup Patel <anup@brainfault.org> Link: https://lore.kernel.org/r/20240416085454.3547175-7-dawei.li@shingroup.cn
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.