diff -NurpP --minimal linux-4.9.76-vs2.3.9.5.2/include/linux/memcontrol.h linux-4.9.76-vs2.3.9.5.3/include/linux/memcontrol.h
--- linux-4.9.76-vs2.3.9.5.2/include/linux/memcontrol.h	2018-01-24 22:26:58.000000000 +0000
+++ linux-4.9.76-vs2.3.9.5.3/include/linux/memcontrol.h	2018-01-25 00:07:15.000000000 +0000
@@ -407,6 +407,7 @@ extern unsigned long mem_cgroup_mem_usag
 extern unsigned long mem_cgroup_mem_limit_pages(struct mem_cgroup *memcg);
 extern unsigned long mem_cgroup_memsw_usage_pages(struct mem_cgroup *memcg);
 extern unsigned long mem_cgroup_memsw_limit_pages(struct mem_cgroup *memcg);
+extern void dump_mem_cgroup(struct mem_cgroup *memcg);
 
 static inline bool mm_match_cgroup(struct mm_struct *mm,
 				   struct mem_cgroup *memcg)
diff -NurpP --minimal linux-4.9.76-vs2.3.9.5.2/kernel/vserver/limit.c linux-4.9.76-vs2.3.9.5.3/kernel/vserver/limit.c
--- linux-4.9.76-vs2.3.9.5.2/kernel/vserver/limit.c	2018-01-24 23:45:57.000000000 +0000
+++ linux-4.9.76-vs2.3.9.5.3/kernel/vserver/limit.c	2018-01-25 00:07:15.000000000 +0000
@@ -256,15 +256,42 @@ int vc_rlimit_stat(struct vx_info *vxi,
 
 
 #ifdef	CONFIG_MEMCG
+
+void dump_sysinfo(struct sysinfo *si)
+{
+	printk(KERN_INFO "sysinfo: memunit=%u\n"
+		"\ttotalram:\t%lu\n"
+		"\tfreeram:\t%lu\n"
+		"\tsharedram:\t%lu\n"
+		"\tbufferram:\t%lu\n"
+		"\ttotalswap:\t%lu\n"
+		"\tfreeswap:\t%lu\n"
+		"\ttotalhigh:\t%lu\n"
+		"\tfreehigh:\t%lu\n",
+		si->mem_unit,
+		si->totalram,
+		si->freeram,
+		si->sharedram,
+		si->bufferram,
+		si->totalswap,
+		si->freeswap,
+		si->totalhigh,
+		si->freehigh);
+}
+
 void vx_vsi_meminfo(struct sysinfo *val)
 {
 	struct mem_cgroup *mcg;
 	unsigned long res_limit, res_usage;
 	unsigned shift;
 
+	if (VXD_CBIT(cvirt, 4))
+		dump_sysinfo(val);
 
 	rcu_read_lock();
 	mcg = mem_cgroup_from_task(current);
+	if (VXD_CBIT(cvirt, 5))
+		dump_mem_cgroup(mcg);
 	rcu_read_unlock();
 	if (!mcg)
 		goto out;
@@ -291,8 +318,13 @@ void vx_vsi_swapinfo(struct sysinfo *val
 	signed long swap_limit, swap_usage;
 	unsigned shift;
 
+	if (VXD_CBIT(cvirt, 6))
+		dump_sysinfo(val);
+
 	rcu_read_lock();
 	mcg = mem_cgroup_from_task(current);
+	if (VXD_CBIT(cvirt, 7))
+		dump_mem_cgroup(mcg);
 	rcu_read_unlock();
 	if (!mcg)
 		goto out;
@@ -334,8 +366,13 @@ long vx_vsi_cached(struct sysinfo *val)
 #ifdef	CONFIG_MEMCG_BROKEN
 	struct mem_cgroup *mcg;
 
+	if (VXD_CBIT(cvirt, 8))
+		dump_sysinfo(val);
+
 	rcu_read_lock();
 	mcg = mem_cgroup_from_task(current);
+	if (VXD_CBIT(cvirt, 9))
+		dump_mem_cgroup(mcg);
 	rcu_read_unlock();
 	if (!mcg)
 		goto out;
diff -NurpP --minimal linux-4.9.76-vs2.3.9.5.2/mm/memcontrol.c linux-4.9.76-vs2.3.9.5.3/mm/memcontrol.c
--- linux-4.9.76-vs2.3.9.5.2/mm/memcontrol.c	2018-01-24 23:33:09.000000000 +0000
+++ linux-4.9.76-vs2.3.9.5.3/mm/memcontrol.c	2018-01-25 00:07:42.000000000 +0000
@@ -2845,6 +2845,21 @@ unsigned long mem_cgroup_memsw_limit_pag
 	return memcg->memsw.limit;
 }
 
+void dump_mem_cgroup(struct mem_cgroup *memcg)
+{
+	printk(KERN_INFO "memcg: %p/%d:\n"
+		"\tmemory:\t%lu/%lu %lu/%lu\n"
+		"\tmemsw:\t%lu/%lu %lu/%lu\n"
+		"\tkmem:\t%lu/%lu %lu/%lu\n",
+		memcg, memcg->id.id,
+		page_counter_read(&memcg->memory), memcg->memory.limit,
+		memcg->memory.watermark, memcg->memory.failcnt,
+		page_counter_read(&memcg->memsw), memcg->memsw.limit,
+		memcg->memsw.watermark, memcg->memsw.failcnt,
+		page_counter_read(&memcg->kmem), memcg->kmem.limit,
+		memcg->kmem.watermark, memcg->kmem.failcnt);
+}
+
 #ifndef CONFIG_SLOB
 static int memcg_online_kmem(struct mem_cgroup *memcg)
 {