MiGetCommittedPages

__int64 __fastcall MiGetCommittedPages(_QWORD *a1){
  if( a1[8] )
    return *(_QWORD *)(*a1 + 16i64);
  else
    return a1[15] & 0xFFFFFFFFFi64;
}

Referenced by:

MiComputeCrossPartitionSectionCharges
MiCreatePrototypePtes
MiDeleteSegmentPages
MiInitializeImageExtents
MiInsertSharedCommitNode
MiMapViewOfDataSection
MiReferenceActiveSubsection
MiSetPagesModified