MiRebuildLargePage

UINT64 __stdcall MiRebuildLargePage(_MI_PARTITION *Partition, UINT64 NodeNumber){
  unsigned int v2; 
  UINT64 v3; 
  __int64 v4; 
  UINT64 v5; 
  __int64 v7; 
  unsigned __int8 *v8; 
  __int64 v9; 
  PHYSICAL_MEMORY_DESCRIPTOR *v10; 
  UINT64 v11; 
  UINT64 v12; 
  PHYSICAL_MEMORY_DESCRIPTOR *PhysicalMemoryBlock; 
  unsigned int v14; 
  __int64 v15; 
  int v16; 
  char *v17; 
  unsigned __int8 CurrentIrql; 
  UINT64 inserted; 
  struct _KPRCB *CurrentPrcb; 
  __int64 v21; 
  bool v22; 
  signed __int32 v23; 
  unsigned int v24; 
  unsigned __int64 v25; 
  unsigned int v26; 
  __int64 v27; 
  __int64 v28; 
  __int64 *v29; 
  _QWORD *v30; 
  __int64 v31; 
  __int64 v32; 
  __int64 v33; 
  UINT64 i; 
  int v35; 
  UINT64 HighestPhysicalPage; 
  UINT64 PreferredNode; 
  UINT64 PreferredChannel; 
  UINT64 Flags; 
  INT64 NumberOfPages; 
  UINT64 v42; 
  PHYSICAL_MEMORY_DESCRIPTOR *v43; 
  int v44; 
  _QWORD *v45; 
  ULONG_PTR v46; 
  INT64 a1[2]; 
  __int64 v48; 
  _ETHREAD *CurrentThread; 
  unsigned __int8 *v50; 
  unsigned int v51; 
  unsigned int v52; 
  unsigned int v53; 
  UINT64 v54; 
  v54 = v3;
  v53 = v2;
  v4 = (unsigned int)NodeNumber;
  v5 = 0i64;
  v48 = 0i64;
  v7 = (unsigned int)MmNumberOfChannels;
  v8 = 0i64;
  v51 = MmNumberOfChannels;
  v9 = v2;
  v44 = NodeNumber;
  *(_OWORD *)a1 = 0i64;
  CurrentThread = (_ETHREAD *)KeGetCurrentThread();
  v42 = 0i64;
  v10 = MiReferencePageRuns(Partition, 1ui64);
  v11 = ::HighestPhysicalPage;
  v12 = MiLargePageSizes[v9];
  PhysicalMemoryBlock = v10;
  v14 = 0;
  v43 = v10;
  v15 = *((_QWORD *)Partition + 2) + 4544 * v4;
  v45 = (_QWORD *)v15;
  v46 = ::HighestPhysicalPage;
  v52 = 0;
  if( (unsigned int)v7 > 1 )
  {
    v8 = (unsigned __int8 *)(v15 + 4313);
    v14 = *(unsigned __int8 *)(v15 + 4313);
    v52 = v14;
  }
  v50 = &v8[v7];
  if( v8 != &v8[v7] )
  {
    while( (*((_DWORD *)CurrentThread + 324) & 1) == 0 )
    {
      NumberOfPages = MiFindRebuildCandidate(Partition, (unsigned int)v4, v14, v12, v11, PhysicalMemoryBlock);
      if( NumberOfPages == -1 )
        goto LABEL_44;
      v16 = 1082130432;
      if( v12 == 512 )
      {
        v16 = 1115684864;
      }
      else if( v12 == 16 )
      {
        v16 = 1098907648;
      }
      LODWORD(Flags) = v16;
      LODWORD(PreferredChannel) = v52;
      LODWORD(PreferredNode) = v4;
      if( (int)MiFindContiguousPages(
                  Partition,
                  NumberOfPages,
                  NumberOfPages + v12 - 1,
                  v12,
                  v12,
                  MiCached,
                  PreferredNode,
                  PreferredChannel,
                  Flags,
                  0i64) >= 0 )
      {
        if( v12 >= 0x200 )
        {
          LODWORD(HighestPhysicalPage) = 1;
          MiUpdateLargePageBitMap((UINT64)Partition, NumberOfPages, v12, 0i64, HighestPhysicalPage);
        }
        MiConvertSmallPageRangeToLarge(NumberOfPages, v53);
        v17 = (char *)MmGetPfnDb() + 48 * NumberOfPages;
        CurrentIrql = KeGetCurrentIrql();
        __writecr8(2ui64);
        MiLockPageAtDpc((INT64)v17);
        a1[0] = NumberOfPages;
        a1[1] = 1i64;
        v48 = 2i64;
        inserted = MiInsertLargePageInNodeList((INT64)a1);
        __writecr8(CurrentIrql);
        MiReturnCommit(Partition, inserted);
        if( Partition == (_MI_PARTITION *)&MiSystemPartition )
        {
          CurrentPrcb = KeGetCurrentPrcb();
          v21 = *((int *)CurrentPrcb + 8391);
          if( (_DWORD)v21 != -1 )
          {
            do
            {
              if( inserted + v21 > 0x100 || inserted >= 0x80000 )
                break;
              v23 = _InterlockedCompareExchange((volatile signed __int32 *)CurrentPrcb + 8391, inserted + v21, v21);
              v22 = (_DWORD)v21 == v23;
              v21 = v23;
              if( v22 )
                goto LABEL_26;
            }
            while( v23 != -1 );
            if( (int)v21 > 192
              && (_DWORD)v21 != -1
              && (_DWORD)v21 == _InterlockedCompareExchange((volatile signed __int32 *)CurrentPrcb + 8391, 192, v21) )
            {
              inserted += (int)v21 - 192;
            }
          }
        }
        if( inserted )
          _InterlockedExchangeAdd64((volatile signed __int64 *)Partition + 896, inserted);
LABEL_26:
        v5 += v12;
        v42 = v5;
        if( v5 >= v54 )
        {
LABEL_39:
          PhysicalMemoryBlock = v43;
          break;
        }
      }
      v24 = MmNumberOfChannels;
      v25 = 0i64;
      v26 = 0;
      if( MmNumberOfChannels )
      {
        do
          v25 += MiNodeFreeZeroPages(v45, v26++, 0);
        while( v26 < v24 );
        LODWORD(v4) = v44;
      }
      if( v12 > 0x10 )
      {
        v27 = 0i64;
        v28 = v53 + 1;
        if( (unsigned int)v28 <= 2 )
        {
          v29 = &MiLargePageSizes[v28];
          v30 = &v45[134 * (unsigned int)v28];
          v31 = (unsigned int)(3 - v28);
          do
          {
            v32 = *v30 + v30[1];
            v30 += 134;
            v33 = *v29++ * v32;
            v27 += v33;
            --v31;
          }
          while( v31 );
        }
        v25 += v27;
      }
      LODWORD(v7) = v51;
      if( v25 >= 0x1000 )
      {
        v5 = v42;
      }
      else
      {
        for( i = 0i64; (unsigned int)i < v51; i = (unsigned int)(v35 + 1) )
          v25 += MiGetNodeStandbyPageCount(Partition, (unsigned int)v4, i);
        v5 = v42;
        if( v25 < v54 - v42 + 0x8000 )
          goto LABEL_39;
      }
      if( !NumberOfPages )
      {
LABEL_44:
        ++v8;
        if( (unsigned int)v7 <= 1 )
        {
          v14 = v52;
        }
        else
        {
          v14 = *v8;
          v52 = v14;
        }
        PhysicalMemoryBlock = v43;
        v11 = v46;
        if( v8 == v50 )
          break;
      }
      else
      {
        v14 = v52;
        v11 = NumberOfPages - 1;
        PhysicalMemoryBlock = v43;
        v46 = NumberOfPages - 1;
      }
    }
  }
  MiDereferencePageRunsEx((INT64)PhysicalMemoryBlock, 1i64);
  return v5;
}

Referenced by: