MAP_CREATE_GUARD
VM_PROT_NONE, VM_PROT_NONE, MAP_CREATE_GUARD);
if ((cow & MAP_CREATE_GUARD) != 0 && (object != NULL ||
if ((cow & MAP_CREATE_GUARD) != 0)
if ((cow & (MAP_ACC_NO_CHARGE | MAP_NOFAULT | MAP_CREATE_GUARD)) != 0) {
VM_PROT_NONE, MAP_CREATE_GUARD | MAP_CREATE_STACK_GAP,
MAP_CREATE_GUARD | MAP_CREATE_STACK_GAP,
docow |= MAP_CREATE_GUARD;