8281460: Let ObjectMonitor have its own NMT category

Backport-of: a037b3c35831f029d23a88bdd49e7f2c2d951631
openjdk · Feb 25, 2022 · 6650652 · 6650652 · openjdk-notifier · Feb 25, 2022
1 parent 56f0c53
commit 6650652
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diff --git a/src/hotspot/share/memory/allocation.hpp b/src/hotspot/share/memory/allocation.hpp
@@ -145,6 +145,7 @@ class AllocatedObj {
   f(mtServiceability, "Serviceability")                                              \
   f(mtMetaspace,      "Metaspace")                                                   \
   f(mtStringDedup,    "String Deduplication")                                        \
+  f(mtObjectMonitor,  "Object Monitors")                                             \
   f(mtNone,           "Unknown")                                                     \
   //end
 

diff --git a/src/hotspot/share/runtime/objectMonitor.hpp b/src/hotspot/share/runtime/objectMonitor.hpp
@@ -127,7 +127,7 @@ class ObjectWaiter : public StackObj {
 #define OM_CACHE_LINE_SIZE DEFAULT_CACHE_LINE_SIZE
 #endif
 
-class ObjectMonitor : public CHeapObj<mtInternal> {
+class ObjectMonitor : public CHeapObj<mtObjectMonitor> {
   friend class ObjectSynchronizer;
   friend class ObjectWaiter;
   friend class VMStructs;