https://github.com/torvalds/linux
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Tip revision: e0f2e3a06be513352cb4955313ed7e55909acd84 authored by Linus Torvalds on 25 March 2007, 22:56:23 UTC
Linux 2.6.21-rc5
Tip revision: e0f2e3a
cpumask.c
#include <linux/kernel.h>
#include <linux/bitops.h>
#include <linux/cpumask.h>
#include <linux/module.h>

int __first_cpu(const cpumask_t *srcp)
{
	return min_t(int, NR_CPUS, find_first_bit(srcp->bits, NR_CPUS));
}
EXPORT_SYMBOL(__first_cpu);

int __next_cpu(int n, const cpumask_t *srcp)
{
	return min_t(int, NR_CPUS, find_next_bit(srcp->bits, NR_CPUS, n+1));
}
EXPORT_SYMBOL(__next_cpu);

int nr_cpu_ids;
EXPORT_SYMBOL(nr_cpu_ids);

int __any_online_cpu(const cpumask_t *mask)
{
	int cpu;

	for_each_cpu_mask(cpu, *mask) {
		if (cpu_online(cpu))
			break;
	}
	return cpu;
}
EXPORT_SYMBOL(__any_online_cpu);
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