diff -Nupr src.orig/mm/slub.c src/mm/slub.c
--- src.orig/mm/slub.c 2020-09-03 11:48:30.747726905 -0400
+++ src/mm/slub.c 2020-09-03 11:48:41.106759312 -0400
@@ -5716,6 +5716,9 @@ void get_slabinfo(struct kmem_cache *s,
unsigned long nr_free = 0;
int node;
+ if (!jiffies)
+ printk("slabinfo\n");
+
for_each_online_node(node) {
struct kmem_cache_node *n = get_node(s, node);