--- zzzz-none-000/linux-4.4.60/mm/slab.h	2017-04-08 07:53:53.000000000 +0000
+++ scorpion-1750e-727/linux-4.4.60/mm/slab.h	2021-02-04 17:41:59.000000000 +0000
@@ -120,8 +120,11 @@
 #if defined(CONFIG_DEBUG_SLAB)
 #define SLAB_DEBUG_FLAGS (SLAB_RED_ZONE | SLAB_POISON | SLAB_STORE_USER)
 #elif defined(CONFIG_SLUB_DEBUG)
-#define SLAB_DEBUG_FLAGS (SLAB_RED_ZONE | SLAB_POISON | SLAB_STORE_USER | \
+#define SLAB_DEBUG_FLAGS (SLAB_RED_ZONE | SLAB_POISON | \
+			  SLAB_STORE_USER | SLAB_STORE_USER_LITE | \
 			  SLAB_TRACE | SLAB_DEBUG_FREE)
+#elif defined(CONFIG_DEBUG_SLAB_AVM_LITE)
+#define SLAB_DEBUG_FLAGS (SLAB_POISON | SLAB_STORE_USER_AND_TIME)
 #else
 #define SLAB_DEBUG_FLAGS (0)
 #endif
@@ -371,4 +374,25 @@
 void slab_stop(struct seq_file *m, void *p);
 int memcg_slab_show(struct seq_file *m, void *p);
 
+#if defined(CONFIG_SLUB_AVM_ALLOC_LIST) || defined(CONFIG_DEBUG_SLAB_AVM_LITE)
+extern unsigned int slab_track_time;
+
+struct _slab_avm_alloc_entry {
+	unsigned long caller;
+	unsigned int count;
+	unsigned long long sum_time;
+};
+
+struct _slab_avm_topalloclist {
+	struct _slab_avm_alloc_entry entry[128];
+	unsigned int entries;
+	unsigned int ignored;	/*--- not enough entries ---*/
+	unsigned long sum_count; /*--- all caller-count + ignored ---*/
+};
+
+void cache_avm_topalloc_list(struct _slab_avm_topalloclist *ptoplist,
+			    struct kmem_cache *cachep,
+				 unsigned long tresh_jiffiesdiff);
+#endif/*--- #if defined(CONFIG_SLUB_AVM_ALLOC_LIST) ---*/
+
 #endif /* MM_SLAB_H */