From 75d382d3db25e1d3592de3d8bf50d6ee85343e47 Mon Sep 17 00:00:00 2001
From: Albert Mingkun Yang <ayang@openjdk.org>
Date: Mon, 18 Dec 2023 12:57:12 +0000
Subject: [PATCH] 8322204: Parallel: Remove unused
 _collection_cost_margin_fraction

Reviewed-by: tschatzl
---
 src/hotspot/share/gc/parallel/psAdaptiveSizePolicy.cpp | 1 -
 src/hotspot/share/gc/parallel/psAdaptiveSizePolicy.hpp | 2 --
 2 files changed, 3 deletions(-)

diff --git a/src/hotspot/share/gc/parallel/psAdaptiveSizePolicy.cpp b/src/hotspot/share/gc/parallel/psAdaptiveSizePolicy.cpp
index 3e255c15a4e..ed35bd8970d 100644
--- a/src/hotspot/share/gc/parallel/psAdaptiveSizePolicy.cpp
+++ b/src/hotspot/share/gc/parallel/psAdaptiveSizePolicy.cpp
@@ -51,7 +51,6 @@ PSAdaptiveSizePolicy::PSAdaptiveSizePolicy(size_t init_eden_size,
      _avg_major_pause(new AdaptivePaddedAverage(AdaptiveTimeWeight, PausePadding)),
      _avg_base_footprint(new AdaptiveWeightedAverage(AdaptiveSizePolicyWeight)),
      _gc_stats(),
-     _collection_cost_margin_fraction(AdaptiveSizePolicyCollectionCostMargin / 100.0),
      _major_pause_old_estimator(new LinearLeastSquareFit(AdaptiveSizePolicyWeight)),
      _major_pause_young_estimator(new LinearLeastSquareFit(AdaptiveSizePolicyWeight)),
      _latest_major_mutator_interval_seconds(0),
diff --git a/src/hotspot/share/gc/parallel/psAdaptiveSizePolicy.hpp b/src/hotspot/share/gc/parallel/psAdaptiveSizePolicy.hpp
index bf9866bfdb4..cf7a1c64c32 100644
--- a/src/hotspot/share/gc/parallel/psAdaptiveSizePolicy.hpp
+++ b/src/hotspot/share/gc/parallel/psAdaptiveSizePolicy.hpp
@@ -75,8 +75,6 @@ class PSAdaptiveSizePolicy : public AdaptiveSizePolicy {
   // Statistical data gathered for GC
   GCStats _gc_stats;
 
-  const double _collection_cost_margin_fraction;
-
   // Variable for estimating the major and minor pause times.
   // These variables represent linear least-squares fits of
   // the data.