[net-next-2.6.git] / lib / 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);

#if NR_CPUS > 64
int __next_cpu_nr(int n, const cpumask_t *srcp)
{
	return min_t(int, nr_cpu_ids,
				find_next_bit(srcp->bits, nr_cpu_ids, n+1));
}
EXPORT_SYMBOL(__next_cpu_nr);
#endif

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);
Commit	Line	Data
ccb46000 AM	1	#include <linux/kernel.h>
	2	#include <linux/bitops.h>
	3	#include <linux/cpumask.h>
	4	#include <linux/module.h>
	5
	6	int __first_cpu(const cpumask_t *srcp)
	7	{
	8	return min_t(int, NR_CPUS, find_first_bit(srcp->bits, NR_CPUS));
	9	}
	10	EXPORT_SYMBOL(__first_cpu);
	11
3d18bd74 AM	12	int __next_cpu(int n, const cpumask_t *srcp)
	13	{
	14	return min_t(int, NR_CPUS, find_next_bit(srcp->bits, NR_CPUS, n+1));
	15	}
	16	EXPORT_SYMBOL(__next_cpu);
86302820	17
41df0d61 MT	18	#if NR_CPUS > 64
	19	int __next_cpu_nr(int n, const cpumask_t *srcp)
	20	{
	21	return min_t(int, nr_cpu_ids,
	22	find_next_bit(srcp->bits, nr_cpu_ids, n+1));
	23	}
	24	EXPORT_SYMBOL(__next_cpu_nr);
	25	#endif
	26
96a9b4d3 AM	27	int __any_online_cpu(const cpumask_t *mask)
	28	{
	29	int cpu;
	30
	31	for_each_cpu_mask(cpu, *mask) {
	32	if (cpu_online(cpu))
	33	break;
	34	}
	35	return cpu;
	36	}
	37	EXPORT_SYMBOL(__any_online_cpu);