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 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); 17 18 int __any_online_cpu(const cpumask_t *mask) 19 { 20 int cpu; 21 22 for_each_cpu_mask(cpu, *mask) { 23 if (cpu_online(cpu)) 24 break; 25 } 26 return cpu; 27 } 28 EXPORT_SYMBOL(__any_online_cpu); 29