MiChargeCommit

UINT64 __stdcall MiChargeCommit(_MI_PARTITION *Partition, UINT64 QuotaCharge, UINT64 CommitFlags){
  CHAR v3; 
  _MI_PARTITION *v5; 
  struct _KPRCB *CurrentPrcb; 
  UINT64 v7; 
  signed __int32 v8; 
  CHAR v10; 
  INT64 v11; 
  unsigned __int64 v12; 
  unsigned __int64 v13; 
  unsigned __int64 v14; 
  signed __int64 v15; 
  unsigned __int64 v16; 
  unsigned __int64 v17; 
  unsigned __int64 v18; 
  unsigned __int64 v19; 
  unsigned __int64 v20; 
  unsigned __int64 v21; 
  unsigned __int64 v22; 
  unsigned __int64 v23; 
  unsigned __int64 v24; 
  int v25; 
  bool v26; 
  char *v27; 
  unsigned __int64 v28; 
  __int64 v29; 
  int v30; 
  v3 = CommitFlags;
  v5 = Partition;
  while( 2 )
  {
    CurrentPrcb = KeGetCurrentPrcb();
    if( v5 == (_MI_PARTITION *)&MiSystemPartition )
    {
      _m_prefetchw((char *)CurrentPrcb + 33560);
      v7 = *((unsigned int *)CurrentPrcb + 8390);
      if( QuotaCharge <= v7 )
      {
        do
        {
          v8 = _InterlockedCompareExchange((volatile signed __int32 *)CurrentPrcb + 8390, v7 - QuotaCharge, v7);
          Partition = (_MI_PARTITION *)v8;
          if( v8 == v7 )
            return 1i64;
          v7 = v8;
        }
        while( QuotaCharge <= v8 );
      }
    }
    v30 = 0;
    v10 = v3 | 2;
    if( (v3 & 4) == 0 )
      v10 = v3;
    if( (v10 & 8) == 0 )
    {
      if( (v10 & 7) != 0 )
        v11 = 0i64;
      else
        v11 = *((_QWORD *)v5 + 782);
      goto LABEL_12;
    }
    v10 |= 2u;
    Partition = (_MI_PARTITION *)*((unsigned int *)KeGetCurrentThread() + 325);
    if( ((unsigned __int8)Partition & 2) != 0 && (*((_DWORD *)KeGetPcr() + 3243) & 0x10001) == 0 )
    {
      v10 |= 4u;
      v11 = 0i64;
LABEL_12:
      v29 = v11;
      goto LABEL_13;
    }
    v11 = 64i64;
    v29 = 64i64;
    if( v5 != (_MI_PARTITION *)&MiSystemPartition && *((_QWORD *)v5 + 866) >> 6 < 0x40ui64 )
    {
      v11 = *((_QWORD *)v5 + 866) >> 6;
      v29 = v11;
    }
    while( 1 )
    {
LABEL_13:
      while( 1 )
      {
        v12 = *((_QWORD *)v5 + 933);
        v13 = v12 + QuotaCharge;
        if( v12 + QuotaCharge <= v12 || v11 + v13 < v13 )
          break;
        v14 = *((_QWORD *)v5 + 949);
        if( v11 + v13 <= v14 )
        {
          if( !v30 && v13 >= 95 * (v14 / 0x64) )
          {
            MiApplyCommitDelay((INT64)v5, v10, *((_QWORD *)v5 + 949));
            v11 = v29;
            v30 = 1;
          }
          goto LABEL_19;
        }
        v24 = *((_QWORD *)v5 + 780);
        if( v13 >= v24 && v12 < v24 )
        {
          MiPulseCommitSignal(v5);
          v11 = v29;
        }
        if( (v10 & 4) != 0 )
        {
          if( !v11 )
            ++dword_140C4E4FC;
          goto LABEL_61;
        }
        if( (v10 & 2) != 0 )
          return 0i64;
        if( v14 == *((_QWORD *)v5 + 777) )
        {
          ++*((_DWORD *)v5 + 1911);
          if( v5 != (_MI_PARTITION *)&MiSystemPartition )
            return 0i64;
          v25 = MiIssuePageExtendRequest(v5, QuotaCharge, 2 * (v10 & 1u) + 8, 0i64);
          if( (v10 & 1) != 0 )
            return 0i64;
          if( !v25 )
          {
            MiCauseOverCommitPopup(v5);
            return 0i64;
          }
          v11 = v29;
          goto LABEL_19;
        }
        if( (v10 & 1) != 0 )
        {
          ++*((_DWORD *)v5 + 1912);
          MiIssuePageExtendRequest(v5, 0x1000ui64, 2ui64, 0i64);
          return 0i64;
        }
        if( !(unsigned int)MiIssuePageExtendRequest(v5, QuotaCharge, 0i64, 0xFFui64) )
        {
          ++*((_DWORD *)v5 + 1910);
          MiCauseOverCommitPopup(v5);
          return 0i64;
        }
        v11 = v29;
      }
      if( (v10 & 4) == 0 )
      {
        if( (v10 & 2) == 0 )
        {
          ++*((_DWORD *)v5 + 1913);
          if( (v10 & 1) == 0 )
            MiCauseOverCommitPopup(v5);
          MiPulseCommitSignal(v5);
        }
        return 0i64;
      }
      if( !v11 )
        ++dword_140C4E500;
LABEL_61:
      if( QuotaCharge )
        break;
LABEL_19:
      v15 = _InterlockedCompareExchange64((volatile signed __int64 *)v5 + 933, v13, v12);
      if( v12 == v15 )
      {
        v16 = *((_QWORD *)v5 + 780);
        v17 = QuotaCharge + v15;
        if( v17 >= v16 && v12 < v16 || (v18 = *((_QWORD *)v5 + 779), v17 >= v18) && v12 < v18 )
        {
          MiSyncCommitSignals(v5, 0i64);
          v11 = v29;
        }
        if( v17 > *((_QWORD *)v5 + 776) )
          *((_QWORD *)v5 + 776) = v17;
        if( (v10 & 2) != 0 )
          return 1i64;
        v19 = *((_QWORD *)v5 + 949);
        v20 = v19 / 0xA;
        if( v17 < 9 * (v19 / 0xA) )
        {
LABEL_26:
          if( v5 == (_MI_PARTITION *)&MiSystemPartition )
          {
            if( (v10 & 1) == 0 && v17 >= *((_QWORD *)v5 + 780) && v19 == *((_QWORD *)v5 + 777) )
            {
              MiFreeExcessSegments((UINT64)Partition);
              v11 = v29;
            }
            v21 = *((unsigned int *)CurrentPrcb + 8390);
            if( v21 < 0x80 )
            {
              v22 = v17;
              v23 = 256 - v21 + v17;
              if( v23 > v22 && v11 + v23 > v22 && v11 + v23 <= v19 )
                MiReplenishLocalCommit((__int64)v5, (__int64)CurrentPrcb, v22, 256 - v21);
            }
          }
          return 1i64;
        }
        v26 = v17 <= v19;
        if( v17 < v19 )
        {
          if( v19 - v17 >= 0x400000 )
            goto LABEL_26;
          v26 = v17 <= v19;
        }
        if( v26 )
        {
          Partition = (_MI_PARTITION *)*((_QWORD *)v5 + 777);
          if( v19 < (unsigned __int64)Partition && v17 < (unsigned __int64)Partition )
          {
            if( v20 > 0x40000 )
              v20 = 0x40000i64;
            v27 = (char *)Partition - v19;
            v28 = v20 - v17;
            if( v28 + v19 <= (unsigned __int64)v27 )
              v27 = (char *)(v28 + v19);
            MiIssuePageExtendRequest(v5, (UINT64)v27, 2ui64, 0i64);
            v11 = v29;
          }
        }
        goto LABEL_26;
      }
    }
    if( !(unsigned int)MiConsumeOverCommit((UINT64 *)v5, QuotaCharge, v11) )
      continue;
    return 1i64;
  }
}

Referenced by: