Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
cpumask: introduce cpumask_random()
Propagate find_random_bit() to cpumask API.
CC: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: "Yury Norov [NVIDIA]" <yury.norov@gmail.com>
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include/linux/cpumask.h
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include/linux/cpumask.h
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}
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/**
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* cpumask_random - get random cpu in *src.
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* @src: cpumask pointer
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*
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* Return: random set bit, or >= nr_cpu_ids if @src is empty.
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*/
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static __always_inline
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unsigned int cpumask_random(const struct cpumask *src)
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{
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return find_random_bit(cpumask_bits(src), nr_cpu_ids);
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}
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/**
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* for_each_cpu - iterate over every cpu in a mask
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* @cpu: the (optionally unsigned) integer iterator
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* @mask: the cpumask pointer