1 files changed, 2 insertions, 6 deletions
diff --git a/runtime/gc/accounting/space_bitmap.cc b/runtime/gc/accounting/space_bitmap.cc
index c294bae4a3..224b33e260 100644
--- a/runtime/gc/accounting/space_bitmap.cc
+++ b/runtime/gc/accounting/space_bitmap.cc
@@ -79,12 +79,8 @@ std::string SpaceBitmap<kAlignment>::Dump() const {
 
 template<size_t kAlignment>
 void SpaceBitmap<kAlignment>::Clear() {
-  if (bitmap_begin_ != NULL) {
-    // This returns the memory to the system.  Successive page faults will return zeroed memory.
-    int result = madvise(bitmap_begin_, bitmap_size_, MADV_DONTNEED);
-    if (result == -1) {
-      PLOG(FATAL) << "madvise failed";
-    }
+  if (bitmap_begin_ != nullptr) {
+    mem_map_->MadviseDontNeedAndZero();
   }
 }