353 	cpumask_var_t affinity;  in kthread_affine_node()  local
358 	if (!zalloc_cpumask_var(&affinity, GFP_KERNEL)) {  in kthread_affine_node()
373 	kthread_fetch_affinity(kthread, affinity);  in kthread_affine_node()
374 	set_cpus_allowed_ptr(current, affinity);  in kthread_affine_node()
377 	free_cpumask_var(affinity);  in kthread_affine_node()
426 	 * Apply default node affinity if no call to kthread_bind[_mask]() nor  in kthread()
540  * in @node, to get NUMA affinity for kthread stack, or else give NUMA_NO_NODE.
828  * kthread_affine_preferred - Define a kthread's preferred affinity
833  * Similar to kthread_bind_mask() except that the affinity is not a requirement
837  * Returns 0 if the affinity has been applied.
842 	cpumask_var_t affinity;  in kthread_affine_preferred()  local
852 	if (!zalloc_cpumask_var(&affinity, GFP_KERNEL))  in kthread_affine_preferred()
865 	kthread_fetch_affinity(kthread, affinity);  in kthread_affine_preferred()
868 		set_cpus_allowed_force(p, affinity);  in kthread_affine_preferred()
872 	free_cpumask_var(affinity);  in kthread_affine_preferred()
880 	cpumask_var_t affinity;  in kthreads_update_affinity()  local
889 	if (!zalloc_cpumask_var(&affinity, GFP_KERNEL))  in kthreads_update_affinity()
902 		 * Unbound kthreads without preferred affinity are already affine  in kthreads_update_affinity()
907 		 * But kthreads with a preferred affinity or node are different:  in kthreads_update_affinity()
914 			kthread_fetch_affinity(k, affinity);  in kthreads_update_affinity()
915 			set_cpus_allowed_ptr(k->task, affinity);  in kthreads_update_affinity()
919 	free_cpumask_var(affinity);  in kthreads_update_affinity()
925  * kthreads_update_housekeeping - Update kthreads affinity on cpuset change
929  * affinity.
944  * affinity doesn't apply anymore.
1123  *    - CPU affinity gets lost when it is scheduled on an offline CPU.