1 files changed, 4 insertions, 0 deletions

diff --git a/kernel/sched/debug.c b/kernel/sched/debug.c
index de3de997e245..8039d62ae36e 100644
--- a/kernel/sched/debug.c
+++ b/kernel/sched/debug.c
@@ -315,6 +315,7 @@ void register_sched_domain_sysctl(void)
 {
         static struct ctl_table *cpu_entries;
         static struct ctl_table **cpu_idx;
+        static bool init_done = false;
         char buf[32];
         int i;
 
@@ -344,7 +345,10 @@ void register_sched_domain_sysctl(void)
         if (!cpumask_available(sd_sysctl_cpus)) {
                 if (!alloc_cpumask_var(&sd_sysctl_cpus, GFP_KERNEL))
                         return;
+        }
 
+        if (!init_done) {
+                init_done = true;
                 /* init to possible to not have holes in @cpu_entries */
                 cpumask_copy(sd_sysctl_cpus, cpu_possible_mask);
         }