diff --git a/kernel/scftorture.c b/kernel/scftorture.c
index e3c60f6..eeafd3f 100644
--- a/kernel/scftorture.c
+++ b/kernel/scftorture.c
@@ -97,6 +97,7 @@ struct scf_statistics {
 static struct scf_statistics *scf_stats_p;
 static struct task_struct *scf_torture_stats_task;
 static DEFINE_PER_CPU(long long, scf_invoked_count);
+static DEFINE_PER_CPU(struct llist_head, scf_free_pool);
 
 // Data for random primitive selection
 #define SCF_PRIM_RESCHED	0
@@ -133,6 +134,7 @@ struct scf_check {
 	bool scfc_wait;
 	bool scfc_rpc;
 	struct completion scfc_completion;
+	struct llist_node scf_node;
 };
 
 // Use to wait for all threads to start.
@@ -148,6 +150,31 @@ static DEFINE_TORTURE_RANDOM_PERCPU(scf_torture_rand);
 
 extern void resched_cpu(int cpu); // An alternative IPI vector.
 
+static void scf_add_to_free_list(struct scf_check *scfcp)
+{
+	struct llist_head *pool;
+	unsigned int cpu;
+
+	cpu = raw_smp_processor_id() % nthreads;
+	pool = &per_cpu(scf_free_pool, cpu);
+	llist_add(&scfcp->scf_node, pool);
+}
+
+static void scf_cleanup_free_list(unsigned int cpu)
+{
+	struct llist_head *pool;
+	struct llist_node *node;
+	struct scf_check *scfcp;
+
+	pool = &per_cpu(scf_free_pool, cpu);
+	node = llist_del_all(pool);
+	while (node) {
+		scfcp = llist_entry(node, struct scf_check, scf_node);
+		node = node->next;
+		kfree(scfcp);
+	}
+}
+
 // Print torture statistics.  Caller must ensure serialization.
 static void scf_torture_stats_print(void)
 {
@@ -296,7 +323,7 @@ static void scf_handler(void *scfc_in)
 		if (scfcp->scfc_rpc)
 			complete(&scfcp->scfc_completion);
 	} else {
-		kfree(scfcp);
+		scf_add_to_free_list(scfcp);
 	}
 }
 
@@ -363,7 +390,7 @@ static void scftorture_invoke_one(struct scf_statistics *scfp, struct torture_ra
 				scfp->n_single_wait_ofl++;
 			else
 				scfp->n_single_ofl++;
-			kfree(scfcp);
+			scf_add_to_free_list(scfcp);
 			scfcp = NULL;
 		}
 		break;
@@ -391,7 +418,7 @@ static void scftorture_invoke_one(struct scf_statistics *scfp, struct torture_ra
 				preempt_disable();
 		} else {
 			scfp->n_single_rpc_ofl++;
-			kfree(scfcp);
+			scf_add_to_free_list(scfcp);
 			scfcp = NULL;
 		}
 		break;
@@ -428,7 +455,7 @@ static void scftorture_invoke_one(struct scf_statistics *scfp, struct torture_ra
 			pr_warn("%s: Memory-ordering failure, scfs_prim: %d.\n", __func__, scfsp->scfs_prim);
 			atomic_inc(&n_mb_out_errs); // Leak rather than trash!
 		} else {
-			kfree(scfcp);
+			scf_add_to_free_list(scfcp);
 		}
 		barrier(); // Prevent race-reduction compiler optimizations.
 	}
@@ -479,6 +506,8 @@ static int scftorture_invoker(void *arg)
 	VERBOSE_SCFTORTOUT("scftorture_invoker %d started", scfp->cpu);
 
 	do {
+		scf_cleanup_free_list(cpu);
+
 		scftorture_invoke_one(scfp, &rand);
 		while (cpu_is_offline(cpu) && !torture_must_stop()) {
 			schedule_timeout_interruptible(HZ / 5);
@@ -529,6 +558,9 @@ static void scf_torture_cleanup(void)
 	kfree(scf_stats_p);  // -After- the last stats print has completed!
 	scf_stats_p = NULL;
 
+	for (i = 0; i < nr_cpu_ids; i++)
+		scf_cleanup_free_list(i);
+
 	if (atomic_read(&n_errs) || atomic_read(&n_mb_in_errs) || atomic_read(&n_mb_out_errs))
 		scftorture_print_module_parms("End of test: FAILURE");
 	else if (torture_onoff_failures())