[GC] Fix activation mechanism for IOPrioritySizePolicy

Summary: do not enable IOPrioritySizePolicy automatically on windows Testing: jtreg Reviewers: yyang, yude.lyd Issue: #685
dragonwell-project · Oct 21, 2024 · 5dbea5a · 5dbea5a
1 parent 6b6e524
commit 5dbea5a
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/hotspot/src/share/vm/runtime/arguments.cpp b/hotspot/src/share/vm/runtime/arguments.cpp
@@ -1664,9 +1664,12 @@ void Arguments::set_parallel_gc_flags() {
       FLAG_SET_DEFAULT(MaxHeapFreeRatio, 100);
       _max_heap_free_ratio = MaxHeapFreeRatio;
     }
+#if defined(LINUX) && (defined(AMD64) || (defined(AARCH64)))
+    // Auto-Enabled only on linux-x64 or arm64
     if (FLAG_IS_DEFAULT(UseIOPrioritySizePolicy)) {
       FLAG_SET_DEFAULT(UseIOPrioritySizePolicy, true);
     }
+#endif
   }
 
   if (UseIOPrioritySizePolicy && !UseAdaptiveSizePolicy) {