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-rw-r--r--lib/cpumask.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/lib/cpumask.c b/lib/cpumask.c
index ea25a034276c..3a67dc5ada7d 100644
--- a/lib/cpumask.c
+++ b/lib/cpumask.c
@@ -31,3 +31,15 @@ int highest_possible_processor_id(void)
return highest;
}
EXPORT_SYMBOL(highest_possible_processor_id);
+
+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);