#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);