src/hotspot/share/gc/z/zPage.cpp

*** 66,75 ****
--- 66,80 ----
    _top = start();
    _livemap.reset();
    _last_used = 0;
  }
  
+ void ZPage::clear() {
+   const uintptr_t addr = ZAddress::good(start());
+   ZUtils::zero(addr, size());
+ }
+ 
  ZPage* ZPage::retype(uint8_t type) {
    assert(_type != type, "Invalid retype");
    _type = type;
    _livemap.resize(object_max_count());
    return this;