PsGetParentSilo

NTSTATUS __stdcall PsGetParentSilo(INT64 a1){
  if( a1 )
    return(unsigned int)PspGetJobSilo(*(_EJOB **)(a1 + 1072));
  else
    return 0;
}

Referenced by:

CmpGetRegistryNamespaceRootForSilo
IopParseDevice
NtQueryInformationJobObject
ObCreateSiloRootDirectory
ObGetSiloRootDirectoryPath
PspConvertSiloToServerSilo
VRegEnabledInJob