kmod-run-usermodehelpers-only-on-cpus-allowed-for-kthreadd-v2-fix

set_cpus_allowed() doesn't exist when CONFIG_CPUMASK_OFFSTACK=y.

Cc: "Paul E. McKenney" <[email protected]>
Cc: Christoph Lameter <[email protected]>
Cc: Frederic Weisbecker <[email protected]>
Cc: Gilad Ben-Yossef <[email protected]>
Cc: Mike Frysinger <[email protected]>
Cc: Mike Galbraith <[email protected]>
Cc: Rusty Russell <[email protected]>
Cc: Tejun Heo <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>

kernel/kthread.c

@@ -142,7 +142,7 @@ void *kthread_data(struct task_struct *task)
  */
 void set_kthreadd_affinity(void)
 {
-	set_cpus_allowed(current, kthreadd_task->cpus_allowed);
+	set_cpus_allowed_ptr(current, &kthreadd_task->cpus_allowed);
 }
 
 /**