Merge tag 'core-entry-2020-12-14' of git://git.kernel.org/pub/scm/linux/kernel/git...

[linux-2.6-microblaze.git] / kernel / cpu.c

diff --git a/kernel/cpu.c b/kernel/cpu.c
index 6ff2578..2b8d7a5 100644 (file)
--- a/kernel/cpu.c
+++ b/kernel/cpu.c
@@ -815,6 +815,10 @@ void __init cpuhp_threads_init(void)
 }
 
 #ifdef CONFIG_HOTPLUG_CPU
+#ifndef arch_clear_mm_cpumask_cpu
+#define arch_clear_mm_cpumask_cpu(cpu, mm) cpumask_clear_cpu(cpu, mm_cpumask(mm))
+#endif
+
 /**
  * clear_tasks_mm_cpumask - Safely clear tasks' mm_cpumask for a CPU
  * @cpu: a CPU id
@@ -850,7 +854,7 @@ void clear_tasks_mm_cpumask(int cpu)
                t = find_lock_task_mm(p);
                if (!t)
                        continue;
-               cpumask_clear_cpu(cpu, mm_cpumask(t->mm));
+               arch_clear_mm_cpumask_cpu(cpu, t->mm);
                task_unlock(t);
        }
        rcu_read_unlock();