diff --git a/block/blk-iocost.c b/block/blk-iocost.c
index 8b2aeba2e1e3..b60625613e09 100644
--- a/block/blk-iocost.c
+++ b/block/blk-iocost.c
@@ -1592,7 +1592,7 @@ static void ioc_lat_stat(struct ioc *ioc, u32 *missed_ppm_ar, u32 *rq_wait_pct_p
 	u64 rq_wait_ns = 0;
 	int cpu, rw;
 
-	for_each_online_cpu(cpu) {
+	for_each_possible_cpu(cpu) {
 		struct ioc_pcpu_stat *stat = per_cpu_ptr(ioc->pcpu_stat, cpu);
 		u64 this_rq_wait_ns;