MiMoveLargeFreePage

NTSTATUS __stdcall MiMoveLargeFreePage(
        UINT64 PageFrameIndex,
        UINT64 LargePageIndex,
        _MI_PARTITION *FromPartition,
        PVOID *ToPartition){
  NTSTATUS v5; 
  __int64 v7; 
  UINT64 v8; 
  NTSTATUS result; 
  _MMPFN *v10; 
  union {unsigned __int64 Long;volatile unsigned __int64 VolatileLong;_MMPTE_HARDWARE Hard;_MMPTE_PROTOTYPE Proto;_MMPTE_SOFTWARE Soft;_MMPTE_TIMESTAMP TimeStamp;_MMPTE_TRANSITION Trans;_MMPTE_SUBSECTION Subsect;_MMPTE_LIST List;} v11; 
  __int64 v12; 
  unsigned __int64 v13; 
  unsigned __int64 v14; 
  unsigned __int64 v15; 
  _DWORD SpinCount[7]; 

  v5 = 0;
  v7 = MiLargePageSizes[(unsigned int)LargePageIndex];
  v8 = PageFrameIndex & ~(v7 - 1);
  result = MiTryUnlinkNodeLargePage((UINT64)FromPartition, v8);
  if( result )
  {
    v10 = &MmGetPfnDb()[v8];
    v11.Long = (unsigned __int64)v10->OriginalPte.u;
    *(_OWORD *)&SpinCount[1] = 0i64;
    *(_QWORD *)&SpinCount[5] = MiLockPageInline(v10);
    SpinCount[3] = (v11.Long & 0x3E0) != 0i64;
    v12 = ((unsigned __int64)v10->u4._bf_0 >> 39) & 0x3FF;
    *(_QWORD *)&SpinCount[1] = v8;
    SpinCount[4] = 0;
    if( *(_MI_PARTITION **)(*(&stru_140C4DB30 + 267) + 8 * v12) == FromPartition )
    {
      _InterlockedAnd64(&v10->u2.Lock, 0x7FFFFFFFFFFFFFFFui64);
      v13 = (unsigned __int64)&v10[v7 - 1];
      if( v13 >= (unsigned __int64)v10 )
      {
        v14 = v13 + 24;
        v15 = (unsigned __int64)(*(_WORD *)ToPartition & 0x3FF) << 39;
        do
        {
          SpinCount[0] = 0;
          while( _interlockedbittestandset64((volatile signed __int32 *)v14, 0x3Fui64) )
          {
            do
              KeYieldProcessorEx((UINT64 *)SpinCount);
            while( *(__int64 *)v14 < 0 );
          }
          if( (*(_BYTE *)(v14 + 11) & 0x40) != 0 )
            MiMoveBadPageCrossPartition(v13, (INT64)FromPartition, (UINT64 *)ToPartition);
          *(_QWORD *)(v14 + 16) = v15 | *(_QWORD *)(v14 + 16) & 0xFFFE007FFFFFFFFFui64;
          if( (_MMPFN *)v13 != v10 )
            _InterlockedAnd64((volatile signed __int64 *)v14, 0x7FFFFFFFFFFFFFFFui64);
          v13 -= 48i64;
          v14 -= 48i64;
        }
        while( v13 >= (unsigned __int64)v10 );
      }
      v5 = 1;
    }
    MiInsertLargePageInNodeList((__int64)&SpinCount[1]);
    return v5;
  }
  return result;
}

Referenced by: