Merge pull request eclipse-openj9#21298 from amicic/offheap_enabled

Enable offheap on X and P
ibmruntimes · Mar 6, 2025 · 430b651 · 430b651
2 parents 754bf6e + 7ecfbd1
commit 430b651
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/runtime/gc_vlhgc/ConfigurationIncrementalGenerational.cpp b/runtime/gc_vlhgc/ConfigurationIncrementalGenerational.cpp
@@ -99,8 +99,10 @@ MM_ConfigurationIncrementalGenerational::createHeapWithManager(MM_EnvironmentBas
 		return NULL;
 	}
 #if defined(J9VM_GC_SPARSE_HEAP_ALLOCATION)
-	/* set off-heap disabled as default for balanced GC */
-	extensions->isVirtualLargeObjectHeapEnabled = false;
+#if defined(J9HAMMER) || defined(PPC64)
+	/* Set off-heap enabled as default for balanced GC */
+	extensions->isVirtualLargeObjectHeapEnabled = true;
+#endif /* defined(J9HAMMER) || defined(PPC64) */
 
 	if (extensions->virtualLargeObjectHeap._wasSpecified) {
 		extensions->isVirtualLargeObjectHeapEnabled = extensions->virtualLargeObjectHeap._valueSpecified;