1 files changed, 8 insertions, 0 deletions

diff --git a/kernel/sched.c b/kernel/sched.c
index 960d7c5fca39..0227f1625a75 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -5244,6 +5244,11 @@ int __init migration_init(void)
 #endif
 
 #ifdef CONFIG_SMP
+
+/* Number of possible processor ids */
+int nr_cpu_ids __read_mostly = NR_CPUS;
+EXPORT_SYMBOL(nr_cpu_ids);
+
 #undef SCHED_DOMAIN_DEBUG
 #ifdef SCHED_DOMAIN_DEBUG
 static void sched_domain_debug(struct sched_domain *sd, int cpu)
@@ -6726,6 +6731,7 @@ int in_sched_functions(unsigned long addr)
 void __init sched_init(void)
 {
         int i, j, k;
+        int highest_cpu = 0;
 
         for_each_possible_cpu(i) {
                 struct prio_array *array;
@@ -6760,11 +6766,13 @@ void __init sched_init(void)
                         // delimiter for bitsearch
                         __set_bit(MAX_PRIO, array->bitmap);
                 }
+                highest_cpu = i;
         }
 
         set_load_weight(&init_task);
 
 #ifdef CONFIG_SMP
+        nr_cpu_ids = highest_cpu + 1;
         open_softirq(SCHED_SOFTIRQ, run_rebalance_domains, NULL);
 #endif