MiReturnProcessPhysicalPages

VOID __stdcall MiReturnProcessPhysicalPages(INT64 a1, INT64 a2){
  _InterlockedExchangeAdd64((volatile signed __int64 *)(a1 + 2032), -a2);
}

Referenced by:

MiCommitExistingVad
MiDeleteVad
MiFreePhysicalPageChain