src/hotspot/share/gc/shenandoah/shenandoahHeapRegion.cpp

rev 59424 : 8245757: Shenandoah: AlwaysPreTouch should not disable heap resizing or uncommits
Reviewed-by: XXX

*** 624,633 ****
--- 624,636 ----
      report_java_out_of_memory("Unable to commit region");
    }
    if (!heap->commit_bitmap_slice(this)) {
      report_java_out_of_memory("Unable to commit bitmaps for region");
    }
+   if (AlwaysPreTouch) {
+     os::pretouch_memory(bottom(), end(), heap->pretouch_heap_page_size());
+   }
    heap->increase_committed(ShenandoahHeapRegion::region_size_bytes());
  }
  
  void ShenandoahHeapRegion::do_uncommit() {
    ShenandoahHeap* heap = ShenandoahHeap::heap();