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-rw-r--r--kernel/workqueue.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index 5f536c63a48d..d2dbe099286b 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -1598,6 +1598,15 @@ static void wq_update_node_max_active(struct workqueue_struct *wq, int off_cpu)
if (off_cpu >= 0)
total_cpus--;
+ /* If all CPUs of the wq get offline, use the default values */
+ if (unlikely(!total_cpus)) {
+ for_each_node(node)
+ wq_node_nr_active(wq, node)->max = min_active;
+
+ wq_node_nr_active(wq, NUMA_NO_NODE)->max = max_active;
+ return;
+ }
+
for_each_node(node) {
int node_cpus;