ZwSetInformationKey

NTSTATUS __stdcall ZwSetInformationKey(
        PVOID KeyHandle,
        KEY_SET_INFORMATION_CLASS KeySetInformationClass,
        PVOID KeySetInformation,
        UINT64 KeySetInformationLength){
  NTSTATUS result; 
  _disable();
  __readeflags();
  KiServiceInternal();
  return result;
}

Referenced by:

CmpDoReDoSetKeyUserFlags
CmpDoReDoSetLastWriteTime
IopApplyMutableTagToRegistryKey