--- old/src/hotspot/share/services/memoryManager.cpp	2018-01-29 12:15:30.000000000 -0800
+++ new/src/hotspot/share/services/memoryManager.cpp	2018-01-29 12:15:30.000000000 -0800
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2003, 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 2018, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -42,13 +42,15 @@
   (void)const_cast<instanceOop&>(_memory_mgr_obj = instanceOop(NULL));
 }
 
-void MemoryManager::add_pool(MemoryPool* pool) {
-  assert(_num_pools < MemoryManager::max_num_pools, "_num_pools exceeds the max");
-  if (_num_pools < MemoryManager::max_num_pools) {
-    _pools[_num_pools] = pool;
+int MemoryManager::add_pool(MemoryPool* pool) {
+  int index = _num_pools; 
+  assert(index < MemoryManager::max_num_pools, "_num_pools exceeds the max");
+  if (index < MemoryManager::max_num_pools) {
+    _pools[index] = pool;
     _num_pools++;
   }
   pool->add_manager(this);
+  return index;
 }
 
 MemoryManager* MemoryManager::get_code_cache_memory_manager() {
@@ -188,7 +190,13 @@
   delete _current_gc_stat;
 }
 
-void GCMemoryManager::initialize_gc_stat_info() {
+int GCMemoryManager::add_pool(MemoryPool* pool, bool always_affected_by_gc) {
+  int index = MemoryManager::add_pool(pool);
+  _pool_always_affected_by_gc[index] = always_affected_by_gc;
+  return index;
+}
+
+  void GCMemoryManager::initialize_gc_stat_info() {
   assert(MemoryService::num_memory_pools() > 0, "should have one or more memory pools");
   _last_gc_stat = new(ResourceObj::C_HEAP, mtGC) GCStatInfo(MemoryService::num_memory_pools());
   _current_gc_stat = new(ResourceObj::C_HEAP, mtGC) GCStatInfo(MemoryService::num_memory_pools());
@@ -229,7 +237,8 @@
 void GCMemoryManager::gc_end(bool recordPostGCUsage,
                              bool recordAccumulatedGCTime,
                              bool recordGCEndTime, bool countCollection,
-                             GCCause::Cause cause) {
+                             GCCause::Cause cause,
+                             bool allMemoryPoolsAffected) {
   if (recordAccumulatedGCTime) {
     _accumulated_timer.stop();
   }
@@ -258,9 +267,11 @@
       MemoryPool* pool = get_memory_pool(i);
       MemoryUsage usage = pool->get_memory_usage();
 
-      // Compare with GC usage threshold
-      pool->set_last_collection_usage(usage);
-      LowMemoryDetector::detect_after_gc_memory(pool);
+      if (allMemoryPoolsAffected || pool_always_affected_by_gc(i)) {
+        // Compare with GC usage threshold
+        pool->set_last_collection_usage(usage);
+        LowMemoryDetector::detect_after_gc_memory(pool);
+      }
     }
   }