Commit 0ab25ea2 authored by Yury Norov (NVIDIA)'s avatar Yury Norov (NVIDIA) Committed by Peter Zijlstra
Browse files

sched/fair: Simplify task_numa_find_cpu() 



Use for_each_cpu_and() and drop some housekeeping code.

Signed-off-by: default avatarYury Norov (NVIDIA) <yury.norov@gmail.com>
Signed-off-by: default avatarPeter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: default avatarK Prateek Nayak <kprateek.nayak@amd.com>
Reviewed-by: default avatarPhil Auld <pauld@redhat.com>
Link: https://patch.msgid.link/20251207033037.399608-1-yury.norov@gmail.com
parent ff1de90d

kernel/sched/fair.c

+2 −5
Original line number Diff line number Diff line
@@ -2494,11 +2494,8 @@ static void task_numa_find_cpu(struct task_numa_env *env, 
		maymove = !load_too_imbalanced(src_load, dst_load, env);

	}



	for_each_cpu(cpu, cpumask_of_node(env->dst_nid)) {

		/* Skip this CPU if the source task cannot migrate */

		if (!cpumask_test_cpu(cpu, env->p->cpus_ptr))

			continue;



	/* Skip CPUs if the source task cannot migrate */

	for_each_cpu_and(cpu, cpumask_of_node(env->dst_nid), env->p->cpus_ptr) {

		env->dst_cpu = cpu;

		if (task_numa_compare(env, taskimp, groupimp, maymove))

			break;