1 files changed, 0 insertions, 15 deletions

diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 725aa067ad63..5ac63c9a995a 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -978,13 +978,6 @@ void check_preempt_curr(struct rq *rq, struct task_struct *p, int flags)
                 rq->skip_clock_update = 1;
 }
 
-static ATOMIC_NOTIFIER_HEAD(task_migration_notifier);
-
-void register_task_migration_notifier(struct notifier_block *n)
-{
-        atomic_notifier_chain_register(&task_migration_notifier, n);
-}
-
 #ifdef CONFIG_SMP
 void set_task_cpu(struct task_struct *p, unsigned int new_cpu)
 {
@@ -1015,18 +1008,10 @@ void set_task_cpu(struct task_struct *p, unsigned int new_cpu)
         trace_sched_migrate_task(p, new_cpu);
 
         if (task_cpu(p) != new_cpu) {
-                struct task_migration_notifier tmn;
-
                 if (p->sched_class->migrate_task_rq)
                         p->sched_class->migrate_task_rq(p, new_cpu);
                 p->se.nr_migrations++;
                 perf_sw_event(PERF_COUNT_SW_CPU_MIGRATIONS, 1, NULL, 0);
-
-                tmn.task = p;
-                tmn.from_cpu = task_cpu(p);
-                tmn.to_cpu = new_cpu;
-
-                atomic_notifier_call_chain(&task_migration_notifier, 0, &tmn);
         }
 
         __set_task_cpu(p, new_cpu);