--- zzzz-none-000/linux-3.10.107/mm/page_alloc.c	2017-06-27 09:49:32.000000000 +0000
+++ vr9-7490-729/linux-3.10.107/mm/page_alloc.c	2021-11-10 11:53:56.000000000 +0000
@@ -1384,6 +1384,9 @@
 void split_page(struct page *page, unsigned int order)
 {
 	int i;
+#if defined(CONFIG_AVM_PAGE_TRACE)
+    unsigned long current_pc = avm_get_page_current_pc(page);
+#endif/*--- #if defined(CONFIG_AVM_PAGE_TRACE) ---*/
 
 	VM_BUG_ON(PageCompound(page));
 	VM_BUG_ON(!page_count(page));
@@ -1396,9 +1399,12 @@
 	if (kmemcheck_page_is_tracked(page))
 		split_page(virt_to_page(page[0].shadow), order);
 #endif
-
-	for (i = 1; i < (1 << order); i++)
+	for (i = 1; i < (1 << order); i++) {
 		set_page_refcounted(page + i);
+#if defined(CONFIG_AVM_PAGE_TRACE)
+        avm_set_page_current_pc(page + i,current_pc);
+#endif/*--- #if defined(CONFIG_AVM_PAGE_TRACE) ---*/
+    }
 }
 EXPORT_SYMBOL_GPL(split_page);
 
@@ -2608,7 +2614,11 @@
  */
 struct page *
 __alloc_pages_nodemask(gfp_t gfp_mask, unsigned int order,
-			struct zonelist *zonelist, nodemask_t *nodemask)
+			struct zonelist *zonelist, nodemask_t *nodemask
+#if defined(CONFIG_AVM_PAGE_TRACE)
+            , unsigned long pc
+#endif/*--- #if defined(CONFIG_AVM_PAGE_TRACE) ---*/
+            )
 {
 	enum zone_type high_zoneidx = gfp_zone(gfp_mask);
 	struct zone *preferred_zone;
@@ -2685,7 +2695,11 @@
 		goto retry_cpuset;
 
 	memcg_kmem_commit_charge(page, memcg, order);
-
+#if defined(CONFIG_AVM_PAGE_TRACE)
+    if(likely(page)) {
+        avm_set_page_current_pc(page,pc);
+    }
+#endif/*--- #if defined(CONFIG_AVM_PAGE_TRACE) ---*/
 	return page;
 }
 EXPORT_SYMBOL(__alloc_pages_nodemask);
@@ -2981,6 +2995,9 @@
 	printk("(%s) ", tmp);
 }
 
+#if defined(CONFIG_AVM_ENHANCED) 
+extern unsigned int get_used_vmalloc_mem(void);
+#endif/*--- #if defined(CONFIG_AVM_ENHANCED)  ---*/
 /*
  * Show free area list (used inside shift_scroll-lock stuff)
  * We also calculate the percentage fragmentation. We do this by counting the
@@ -3006,17 +3023,41 @@
 
 			printk("CPU %4d: hi:%5d, btch:%4d usd:%4d\n",
 			       cpu, pageset->pcp.high,
-			       pageset->pcp.batch, pageset->pcp.count);
+                   pageset->pcp.batch, pageset->pcp.count);
 		}
 	}
-
+#if defined(CONFIG_AVM_ENHANCED) 
+    {
+    unsigned int sum_pages, v_mem;
+    sum_pages = global_page_state(NR_ACTIVE_ANON)+
+                global_page_state(NR_INACTIVE_ANON)+
+                global_page_state(NR_ISOLATED_ANON)+
+                global_page_state(NR_ACTIVE_FILE)+
+                global_page_state(NR_INACTIVE_FILE)+
+                global_page_state(NR_ISOLATED_FILE)+
+                global_page_state(NR_UNEVICTABLE)+
+                global_page_state(NR_FILE_DIRTY)+
+                global_page_state(NR_WRITEBACK)+
+                global_page_state(NR_UNSTABLE_NFS)+
+                global_page_state(NR_FREE_PAGES)+
+                global_page_state(NR_SLAB_RECLAIMABLE)+
+                global_page_state(NR_SLAB_UNRECLAIMABLE)+
+                global_page_state(NR_FILE_MAPPED)+
+                global_page_state(NR_SHMEM)+
+                global_page_state(NR_PAGETABLE)+
+                global_page_state(NR_BOUNCE)+
+                global_page_state(NR_FREE_CMA_PAGES);
+    v_mem = get_used_vmalloc_mem();
+	printk("global_page_sum %ukB(%u pages) + vmalloc-used = %ukB (%u pages)\n", sum_pages * 4, sum_pages, v_mem >> 10, v_mem >> PAGE_SHIFT);
+    }
+#endif/*--- #if defined(CONFIG_AVM_ENHANCED)  ---*/
 	printk("active_anon:%lu inactive_anon:%lu isolated_anon:%lu\n"
 		" active_file:%lu inactive_file:%lu isolated_file:%lu\n"
 		" unevictable:%lu"
 		" dirty:%lu writeback:%lu unstable:%lu\n"
 		" free:%lu slab_reclaimable:%lu slab_unreclaimable:%lu\n"
 		" mapped:%lu shmem:%lu pagetables:%lu bounce:%lu\n"
-		" free_cma:%lu\n",
+        " free_cma:%lu\n",
 		global_page_state(NR_ACTIVE_ANON),
 		global_page_state(NR_INACTIVE_ANON),
 		global_page_state(NR_ISOLATED_ANON),