--- old/src/hotspot/share/gc/shenandoah/shenandoahHeap.cpp	2020-08-28 04:55:23.000000000 -0700
+++ new/src/hotspot/share/gc/shenandoah/shenandoahHeap.cpp	2020-08-28 04:55:23.000000000 -0700
@@ -1318,7 +1318,7 @@
 
   assert(oop_stack.is_empty(), "should be empty");
 
-  if (!_aux_bitmap_region_special && !os::uncommit_memory((char*)_aux_bitmap_region.start(), _aux_bitmap_region.byte_size())) {
+  if (!_aux_bitmap_region_special && !os::uncommit_memory((char*)_aux_bitmap_region.start(), _aux_bitmap_region.byte_size(), !ExecMem)) {
     log_warning(gc)("Could not uncommit native memory for auxiliary marking bitmap for heap iteration");
   }
 }
@@ -2669,7 +2669,7 @@
   size_t slice = r->index() / _bitmap_regions_per_slice;
   size_t off = _bitmap_bytes_per_slice * slice;
   size_t len = _bitmap_bytes_per_slice;
-  if (!os::uncommit_memory((char*)_bitmap_region.start() + off, len)) {
+  if (!os::uncommit_memory((char*)_bitmap_region.start() + off, len, !ExecMem)) {
     return false;
   }
   return true;