From 711cddd899048236bbc3c0aa7e4ac0fc8aebe4d2 Mon Sep 17 00:00:00 2001
From: Aleksey Shipilev <shade@openjdk.org>
Date: Tue, 4 Jul 2023 09:01:47 +0000
Subject: [PATCH] 8311249: Remove unused MemAllocator::obj_memory_range

Reviewed-by: tschatzl
---
 src/hotspot/share/gc/shared/memAllocator.cpp | 9 ---------
 src/hotspot/share/gc/shared/memAllocator.hpp | 6 ------
 2 files changed, 15 deletions(-)

diff --git a/src/hotspot/share/gc/shared/memAllocator.cpp b/src/hotspot/share/gc/shared/memAllocator.cpp
index e5189abed57..ed54128d34a 100644
--- a/src/hotspot/share/gc/shared/memAllocator.cpp
+++ b/src/hotspot/share/gc/shared/memAllocator.cpp
@@ -400,15 +400,6 @@ oop ObjAllocator::initialize(HeapWord* mem) const {
   return finish(mem);
 }
 
-MemRegion ObjArrayAllocator::obj_memory_range(oop obj) const {
-  if (_do_zero) {
-    return MemAllocator::obj_memory_range(obj);
-  }
-  ArrayKlass* array_klass = ArrayKlass::cast(_klass);
-  const size_t hs = arrayOopDesc::header_size(array_klass->element_type());
-  return MemRegion(cast_from_oop<HeapWord*>(obj) + hs, _word_size - hs);
-}
-
 oop ObjArrayAllocator::initialize(HeapWord* mem) const {
   // Set array length before setting the _klass field because a
   // non-null klass field indicates that the object is parsable by
diff --git a/src/hotspot/share/gc/shared/memAllocator.hpp b/src/hotspot/share/gc/shared/memAllocator.hpp
index e42399cdffd..48faded1337 100644
--- a/src/hotspot/share/gc/shared/memAllocator.hpp
+++ b/src/hotspot/share/gc/shared/memAllocator.hpp
@@ -78,10 +78,6 @@ protected:
   // back to calling CollectedHeap::mem_allocate().
   HeapWord* mem_allocate(Allocation& allocation) const;
 
-  virtual MemRegion obj_memory_range(oop obj) const {
-    return MemRegion(cast_from_oop<HeapWord*>(obj), _word_size);
-  }
-
 public:
   // Allocate and fully construct the object, and perform various instrumentation. Could safepoint.
   oop allocate() const;
@@ -100,8 +96,6 @@ protected:
   const int  _length;
   const bool _do_zero;
 
-  virtual MemRegion obj_memory_range(oop obj) const;
-
 public:
   ObjArrayAllocator(Klass* klass, size_t word_size, int length, bool do_zero,
                     Thread* thread = Thread::current())