--- a/src/hotspot/share/runtime/os.cpp	Tue Nov 05 09:37:20 2019 +0800
+++ b/src/hotspot/share/runtime/os.cpp	Tue Nov 05 09:57:10 2019 +0100
@@ -755,8 +755,8 @@
   NOT_PRODUCT(inc_stat_counter(&num_mallocs, 1));
   NOT_PRODUCT(inc_stat_counter(&alloc_bytes, size));
    // NMT support
-  void* membase = MemTracker::record_free(memblock);
   NMT_TrackingLevel level = MemTracker::tracking_level();
+  void* membase = MemTracker::record_free(memblock, level);
   size_t  nmt_header_size = MemTracker::malloc_header_size(level);
   void* ptr = ::realloc(membase, size + nmt_header_size);
   return MemTracker::record_malloc(ptr, size, memflags, stack, level);
@@ -797,7 +797,7 @@
     log_warning(malloc, free)("os::free caught " PTR_FORMAT, p2i(memblock));
     breakpoint();
   }
-  void* membase = MemTracker::record_free(memblock);
+  void* membase = MemTracker::record_free(memblock, MemTracker::tracking_level());
   verify_memory(membase);
 
   GuardedMemory guarded(membase);
@@ -806,7 +806,7 @@
   membase = guarded.release_for_freeing();
   ::free(membase);
 #else
-  void* membase = MemTracker::record_free(memblock);
+  void* membase = MemTracker::record_free(memblock, MemTracker::tracking_level());
   ::free(membase);
 #endif
 }