--- zzzz-none-000/linux-4.9.279/mm/slab.h	2021-08-08 06:38:54.000000000 +0000
+++ puma7-atom-6591-750/linux-4.9.279/mm/slab.h	2023-02-08 11:43:43.000000000 +0000
@@ -454,6 +454,24 @@
 
 };
 
+#if defined(CONFIG_DEBUG_SLAB_AVM_LITE)
+struct _slab_avm_top_entry {
+	unsigned long caller;
+	unsigned int count;
+	unsigned long long sum_time;
+};
+struct _slab_avm_enh_toplist {
+	struct _slab_avm_top_entry entry[96]; 
+	unsigned int entries;
+	unsigned int ignored;	/*--- 	not enough entries ---*/
+	unsigned long sum_count; /*--- all caller-count + ignored ---*/
+};
+void debug_slab_avm_lite_toplist(struct _slab_avm_enh_toplist *ptoplist, const struct kmem_cache *cachep, 
+								 unsigned long tresh_jiffiesdiff);
+
+void slab_debug_avm_lite_on(unsigned int on);
+#endif/*--- #if defined(CONFIG_DEBUG_SLAB_AVM_LITE) ---*/
+
 static inline struct kmem_cache_node *get_node(struct kmem_cache *s, int node)
 {
 	return s->node[node];