[GC] Fix activation mechanism for IOPrioritySizePolicy

Summary: do not enable IOPrioritySizePolicy automatically on windows Testing: jtreg Reviewers: yyang, yude.lyd Issue: #875
dragonwell-project · Oct 21, 2024 · e353b24 · e353b24
1 parent 85a2ef0
commit e353b24
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/src/hotspot/share/gc/parallel/parallelArguments.cpp b/src/hotspot/share/gc/parallel/parallelArguments.cpp
@@ -66,9 +66,12 @@ void ParallelArguments::initialize() {
     if (FLAG_IS_DEFAULT(MaxHeapFreeRatio)) {
       FLAG_SET_DEFAULT(MaxHeapFreeRatio, 100);
     }
+#ifdef LINUX
+    // Auto-Enabled only on linux
     if (FLAG_IS_DEFAULT(UseIOPrioritySizePolicy)) {
       FLAG_SET_DEFAULT(UseIOPrioritySizePolicy, true);
     }
+#endif
   }
 
   if (UseIOPrioritySizePolicy && !UseAdaptiveSizePolicy) {