--- zzzz-none-000/linux-4.1.38/mm/slub.c	2017-01-18 18:48:06.000000000 +0000
+++ bcm63-7582-715/linux-4.1.38/mm/slub.c	2020-11-25 10:06:48.000000000 +0000
@@ -4571,6 +4571,13 @@
 }
 SLAB_ATTR_RO(cache_dma);
 #endif
+#if defined(CONFIG_BCM_KF_ARM_BCM963XX) && defined(CONFIG_BCM_ZONE_ACP)
+static ssize_t cache_acp_show(struct kmem_cache *s, char *buf)
+{
+	return sprintf(buf, "%d\n", !!(s->flags & SLAB_CACHE_ACP));
+}
+SLAB_ATTR_RO(cache_acp);
+#endif
 
 static ssize_t destroy_by_rcu_show(struct kmem_cache *s, char *buf)
 {
@@ -4914,6 +4921,9 @@
 #ifdef CONFIG_ZONE_DMA
 	&cache_dma_attr.attr,
 #endif
+#if defined(CONFIG_BCM_KF_ARM_BCM963XX) && defined(CONFIG_BCM_ZONE_ACP)
+	&cache_acp_attr.attr,
+#endif
 #ifdef CONFIG_NUMA
 	&remote_node_defrag_ratio_attr.attr,
 #endif
@@ -5342,3 +5352,44 @@
 	return -EIO;
 }
 #endif /* CONFIG_SLABINFO */
+
+#if defined(CONFIG_AVM_ENHANCED)
+/**
+ * @brief get kmemalloc-area if addr in range 
+ *		  attention! function unsaved for cachep - zone-page-spinlock necessary
+ * @return start (zero if not exist)
+ */
+unsigned long get_kmemalloc_area(unsigned long addr, unsigned long *caller, const char **cache_name, 
+								 unsigned long *size, int *freed){
+	unsigned int obj_idx;
+	void *base;
+	unsigned long kstart;
+	struct kmem_cache *cachep;
+	struct page *page = virt_to_head_page((void *)addr);
+
+	if(!virt_addr_valid(page)) {
+		return 0;
+	}
+	cachep = page->slab_cache;
+	if(!virt_addr_valid(cachep)) {
+		return 0;
+	}
+#if 0
+	pr_err("%s: %s: %u: %08lx: %s(size=%u objects=%u) page=%p(%p)\n", __FILE__, __func__, __LINE__, addr, cachep->name, 
+			cachep->size, page->objects,
+			page, page_address(page));
+#endif
+	base = page_address(page);
+	if(((void *)addr < base) || ((void *)addr >= (base + page->objects * cachep->size))) {
+		/*--- pr_err("%s: %s: %u:\n", __FILE__, __func__, __LINE__); ---*/
+		return 0;
+	}
+	obj_idx = slab_index((void *)addr, cachep, base);
+	kstart  = (unsigned long)base + (cachep->size * obj_idx);
+	if(caller)     *caller     = 0;
+	if(cache_name) *cache_name = cachep->name;
+	if(size)	   *size	   = cachep->size;
+	if(freed)      *freed	   = 0;
+	return kstart;
+}
+#endif /*--- #if defined(CONFIG_AVM_ENHANCED) ---*/