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-rw-r--r--kernel/workqueue.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index aec3efbaaf93..8ca65665efe9 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -6638,6 +6638,13 @@ void __init workqueue_init_early(void)
wq_update_pod_attrs_buf = alloc_workqueue_attrs();
BUG_ON(!wq_update_pod_attrs_buf);
+ /*
+ * If nohz_full is enabled, set power efficient workqueue as unbound.
+ * This allows workqueue items to be moved to HK CPUs.
+ */
+ if (housekeeping_enabled(HK_TYPE_TICK))
+ wq_power_efficient = true;
+
/* initialize WQ_AFFN_SYSTEM pods */
pt->pod_cpus = kcalloc(1, sizeof(pt->pod_cpus[0]), GFP_KERNEL);
pt->pod_node = kcalloc(1, sizeof(pt->pod_node[0]), GFP_KERNEL);