8253516: ZGC: Remove card table functions

Reviewed-by: tschatzl, eosterlund
openjdk · Sep 23, 2020 · e4d0e5a · e4d0e5a · bridgekeeper · Sep 23, 2020
1 parent 3fe5886
commit e4d0e5a
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Showing 2 changed files with 0 additions and 20 deletions.
diff --git a/src/hotspot/share/gc/z/zCollectedHeap.cpp b/src/hotspot/share/gc/z/zCollectedHeap.cpp
@@ -225,22 +225,6 @@ size_t ZCollectedHeap::unsafe_max_tlab_alloc(Thread* ignored) const {
   return _heap.unsafe_max_tlab_alloc();
 }
 
-bool ZCollectedHeap::can_elide_tlab_store_barriers() const {
-  return false;
-}
-
-bool ZCollectedHeap::can_elide_initializing_store_barrier(oop new_obj) {
-  // Not supported
-  ShouldNotReachHere();
-  return true;
-}
-
-bool ZCollectedHeap::card_mark_must_follow_store() const {
-  // Not supported
-  ShouldNotReachHere();
-  return false;
-}
-
 GrowableArray<GCMemoryManager*> ZCollectedHeap::memory_managers() {
   return GrowableArray<GCMemoryManager*>(1, 1, _heap.serviceability_memory_manager());
 }

diff --git a/src/hotspot/share/gc/z/zCollectedHeap.hpp b/src/hotspot/share/gc/z/zCollectedHeap.hpp
@@ -89,10 +89,6 @@ class ZCollectedHeap : public CollectedHeap {
   virtual size_t max_tlab_size() const;
   virtual size_t unsafe_max_tlab_alloc(Thread* thr) const;
 
-  virtual bool can_elide_tlab_store_barriers() const;
-  virtual bool can_elide_initializing_store_barrier(oop new_obj);
-  virtual bool card_mark_must_follow_store() const;
-
   virtual GrowableArray<GCMemoryManager*> memory_managers();
   virtual GrowableArray<MemoryPool*> memory_pools();