--- a/hotspot/src/share/vm/services/memoryPool.cpp	Tue Mar 17 15:53:55 2015 +0100
+++ b/hotspot/src/share/vm/services/memoryPool.cpp	Wed Mar 18 10:51:00 2015 +0100
@@ -25,7 +25,9 @@
 #include "precompiled.hpp"
 #include "classfile/systemDictionary.hpp"
 #include "classfile/vmSymbols.hpp"
+#include "memory/defNewGeneration.hpp"
 #include "memory/metaspace.hpp"
+#include "memory/space.hpp"
 #include "oops/oop.inline.hpp"
 #include "runtime/handles.inline.hpp"
 #include "runtime/javaCalls.hpp"
@@ -34,8 +36,11 @@
 #include "services/management.hpp"
 #include "services/memoryManager.hpp"
 #include "services/memoryPool.hpp"
+#include "utilities/globalDefinitions.hpp"
 #include "utilities/macros.hpp"
-#include "utilities/globalDefinitions.hpp"
+#if INCLUDE_ALL_GCS
+#include "gc_implementation/concurrentMarkSweep/compactibleFreeListSpace.hpp"
+#endif
 
 MemoryPool::MemoryPool(const char* name,
                        PoolType type,
@@ -187,6 +192,10 @@
                       support_usage_threshold), _space(space) {
 }
 
+size_t ContiguousSpacePool::used_in_bytes() {
+  return space()->used();
+}
+
 MemoryUsage ContiguousSpacePool::get_memory_usage() {
   size_t maxSize   = (available_for_allocation() ? max_size() : 0);
   size_t used      = used_in_bytes();
@@ -204,6 +213,14 @@
                       support_usage_threshold), _gen(gen) {
 }
 
+size_t SurvivorContiguousSpacePool::used_in_bytes() {
+  return _gen->from()->used();
+}
+
+size_t SurvivorContiguousSpacePool::committed_in_bytes() {
+  return _gen->from()->capacity();
+}
+
 MemoryUsage SurvivorContiguousSpacePool::get_memory_usage() {
   size_t maxSize = (available_for_allocation() ? max_size() : 0);
   size_t used    = used_in_bytes();
@@ -222,6 +239,10 @@
                       support_usage_threshold), _space(space) {
 }
 
+size_t CompactibleFreeListSpacePool::used_in_bytes() {
+  return _space->used();
+}
+
 MemoryUsage CompactibleFreeListSpacePool::get_memory_usage() {
   size_t maxSize   = (available_for_allocation() ? max_size() : 0);
   size_t used      = used_in_bytes();
@@ -239,6 +260,10 @@
                       support_usage_threshold), _gen(gen) {
 }
 
+size_t GenerationPool::used_in_bytes() {
+  return _gen->used();
+}
+
 MemoryUsage GenerationPool::get_memory_usage() {
   size_t used      = used_in_bytes();
   size_t committed = _gen->capacity();