--- zzzz-none-000/linux-4.4.60/mm/slab.h	2017-04-08 07:53:53.000000000 +0000
+++ wasp-540e-714/linux-4.4.60/mm/slab.h	2019-07-03 09:21:34.000000000 +0000
@@ -122,6 +122,8 @@
 #elif defined(CONFIG_SLUB_DEBUG)
 #define SLAB_DEBUG_FLAGS (SLAB_RED_ZONE | SLAB_POISON | SLAB_STORE_USER | \
 			  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 +373,21 @@
 void slab_stop(struct seq_file *m, void *p);
 int memcg_slab_show(struct seq_file *m, void *p);
 
+#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);
+extern unsigned int flag_debug_slab_avm_lite;
+#endif /*--- #if defined(CONFIG_DEBUG_SLAB_AVM_LITE) ---*/
 #endif /* MM_SLAB_H */