--- libmalloc/libmalloc-409.40.6/src/magazine_medium.c
+++ libmalloc/libmalloc-374.40.6/src/magazine_medium.c
@@ -1009,6 +1009,11 @@
 {
 	magazine_t *depot_ptr = &(rack->magazines[DEPOT_MAGAZINE_INDEX]);
 
+	/* FIXME: Would Uniprocessor benefit from recirc and MADV_FREE? */
+	if (rack->num_magazines == 1) { // Uniprocessor, single magazine, so no recirculation necessary
+		return 0;
+	}
+
 #if DEBUG_MALLOC
 	if (DEPOT_MAGAZINE_INDEX == mag_index) {
 		malloc_zone_error(rack->debug_flags, true, "medium_get_region_from_depot called for magazine index -1\n", NULL, NULL);
@@ -1509,7 +1514,11 @@
 	region_trailer_t *node = REGION_TRAILER_FOR_MEDIUM_REGION(region);
 	size_t bytes_used = node->bytes_used;
 
-	if (DEPOT_MAGAZINE_INDEX != mag_index) {
+	/* FIXME: Would Uniprocessor benefit from recirc and MADV_FREE? */
+	if (rack->num_magazines == 1) { // Uniprocessor, single magazine, so no recirculation necessary
+		/* NOTHING */
+		return TRUE; // Caller must do SZONE_MAGAZINE_PTR_UNLOCK(tiny_mag_ptr)
+	} else if (DEPOT_MAGAZINE_INDEX != mag_index) {
 		// Emptiness discriminant
 		if (bytes_used < DENSITY_THRESHOLD(MEDIUM_REGION_PAYLOAD_BYTES)) {
 			/* Region has crossed threshold from density to sparsity. Mark it "suitable" on the