1 files changed, 1 insertions, 7 deletions

diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c
index b735521a4a54..2c7217d971db 100644
--- a/arch/arm/kernel/smp.c
+++ b/arch/arm/kernel/smp.c
@@ -109,7 +109,6 @@ static void percpu_timer_stop(void);
 int __cpu_disable(void)
 {
         unsigned int cpu = smp_processor_id();
-        struct task_struct *p;
         int ret;
 
         ret = platform_cpu_disable(cpu);
@@ -139,12 +138,7 @@ int __cpu_disable(void)
         flush_cache_all();
         local_flush_tlb_all();
 
-        read_lock(&tasklist_lock);
-        for_each_process(p) {
-                if (p->mm)
-                        cpumask_clear_cpu(cpu, mm_cpumask(p->mm));
-        }
-        read_unlock(&tasklist_lock);
+        clear_tasks_mm_cpumask(cpu);
 
         return 0;
 }