diff -r e6c86f6012bf -r c31faeacf00a src/hotspot/share/services/memTracker.hpp
--- a/src/hotspot/share/services/memTracker.hpp	Tue Mar 26 15:27:41 2019 -0400
+++ b/src/hotspot/share/services/memTracker.hpp	Tue Mar 26 15:50:34 2019 -0400
@@ -82,6 +82,7 @@
 #include "runtime/mutexLocker.hpp"
 #include "runtime/threadCritical.hpp"
 #include "services/mallocTracker.hpp"
+#include "services/threadStackTracker.hpp"
 #include "services/virtualMemoryTracker.hpp"
 
 extern volatile bool NMT_stack_walkable;
@@ -241,31 +242,19 @@
     }
   }
 
-#ifdef _AIX
-  // See JDK-8202772 - temporarily disable thread stack tracking on AIX.
-  static inline void record_thread_stack(void* addr, size_t size) {}
-  static inline void release_thread_stack(void* addr, size_t size) {}
-#else
-  static inline void record_thread_stack(void* addr, size_t size) {
+  static void record_thread_stack(void* addr, size_t size) {
     if (tracking_level() < NMT_summary) return;
     if (addr != NULL) {
-      // uses thread stack malloc slot for book keeping number of threads
-      MallocMemorySummary::record_malloc(0, mtThreadStack);
-      record_virtual_memory_reserve(addr, size, CALLER_PC, mtThreadStack);
+      ThreadStackTracker::new_thread_stack((address)addr, size, CALLER_PC);
     }
   }
 
   static inline void release_thread_stack(void* addr, size_t size) {
     if (tracking_level() < NMT_summary) return;
     if (addr != NULL) {
-      // uses thread stack malloc slot for book keeping number of threads
-      MallocMemorySummary::record_free(0, mtThreadStack);
-      ThreadCritical tc;
-      if (tracking_level() < NMT_summary) return;
-      VirtualMemoryTracker::remove_released_region((address)addr, size);
+      ThreadStackTracker::delete_thread_stack((address)addr, size);
     }
   }
-#endif
 
   // Query lock is used to synchronize the access to tracking data.
   // So far, it is only used by JCmd query, but it may be used by