MiChargeForWriteInProgressPage

__int64 __fastcall MiChargeForWriteInProgressPage(__int64 a1, char a2){
  unsigned __int64 v3; 
  unsigned int v5; 
  unsigned int v6; 
  struct _KPRCB *CurrentPrcb; 
  __int64 v9; 
  bool v10; 
  signed __int32 v11; 
  v3 = 1i64;
  v5 = (a2 & 2) != 0 ? 0xFFFFFFFC : 0;
  v6 = MiChargeResident((ULONG_PTR *)a1, 1ui64, (unsigned int)-((a2 & 2) != 0));
  if( v6 )
  {
    if( (a2 & 1) == 0 || (unsigned int)MiChargeCommit((_MI_PARTITION *)a1, 1ui64, v5 + 8) )
      return v6;
    if( (ULONG_PTR *)a1 != &MiSystemPartition )
      goto LABEL_17;
    CurrentPrcb = KeGetCurrentPrcb();
    v9 = *((int *)CurrentPrcb + 8391);
    if( (_DWORD)v9 == -1 )
      goto LABEL_17;
    if( (unsigned __int64)(v9 + 1) <= 0x100 )
    {
      do
      {
        v11 = _InterlockedCompareExchange((volatile signed __int32 *)CurrentPrcb + 8391, v9 + 1, v9);
        v10 = (_DWORD)v9 == v11;
        LODWORD(v9) = v11;
        if( v10 )
          return 0i64;
      }
      while( v11 != -1 && (unsigned __int64)(v11 + 1i64) <= 0x100 );
    }
    if( (int)v9 > 192
      && (_DWORD)v9 != -1
      && (_DWORD)v9 == _InterlockedCompareExchange((volatile signed __int32 *)CurrentPrcb + 8391, 192, v9) )
    {
      v3 = (int)v9 - 192 + 1i64;
    }
    if( v3 )
LABEL_17:
      _InterlockedExchangeAdd64((volatile signed __int64 *)(a1 + 7168), v3);
  }
  return 0i64;
}

Referenced by: