RtlpHpLfhSubsegmentIncBlockCounts

__int64 __fastcall RtlpHpLfhSubsegmentIncBlockCounts(
        __int64 a1,
        __int64 a2,
        unsigned int er8_0,
        int a4,
        _DWORD *a5,
        int a6,
        UINT8 *a7){
  int v7; 
  UINT8 v10; 
  char v11; 
  __int64 v12; 
  signed __int16 *v13; 
  unsigned int v14; 
  __int64 v15; 
  int v16; 
  signed __int16 v17; 
  __int64 v18; 
  volatile signed __int64 *v19; 
  _ETHREAD *CurrentThread; 
  unsigned int SessionId; 
  unsigned __int8 v23; 
  int v24; 
  bool v25; 
  __int64 v26; 
  _KLOCK_ENTRY *v27; 
  __int64 v28; 
  signed __int16 v29; 
  signed __int16 *v30; 
  __int64 v31; 
  UINT64 a3; 

  v7 = a6;
  if( a6 )
    v10 = *a7;
  else
    v10 = -1;
  v11 = *(_BYTE *)(a2 + 44);
  v12 = er8_0 >> v11;
  v13 = (signed __int16 *)(2 * v12 + a2 + *(unsigned __int16 *)(a2 + 46));
  v31 = 2 * v12;
  _m_prefetchw(v13);
  v14 = -1;
  v30 = &v13[((er8_0 + a4 - 1) >> v11) - (unsigned int)v12 + 1];
  LODWORD(v15) = 0;
  v16 = 0;
  if( v13 < v30 )
  {
    do
    {
      while( 2 )
      {
        v17 = *v13;
        while( v17 > 0 )
        {
          v29 = v17;
          v17 = _InterlockedCompareExchange16(v13, v17 + 1, v17);
          if( v29 == v17 )
          {
            v18 = v31;
            goto LABEL_10;
          }
        }
        if( !v7 )
        {
          v7 = 1;
          v10 = RtlpHpAcquireLockExclusive((_EX_PUSH_LOCK *)(a2 + 24), *(unsigned __int8 *)(a1 + 57));
          continue;
        }
        break;
      }
      v18 = v31;
      if( v17 )
      {
        ++v16;
        v15 = v31 >> 1;
        if( v14 == -1 )
          v14 = v31 >> 1;
      }
      else
      {
        --v16;
      }
      *v13 = v17 + 1;
LABEL_10:
      ++v13;
      v31 = v18 + 2;
    }
    while( v13 < v30 );
    if( v16 && (RtlpHpLfhPerfFlags & 0x20) != 0 )
      _InterlockedExchangeAdd64(
        (volatile signed __int64 *)(*(__int16 *)(a1 + 58) + a1 + 24),
        (v16 << *(_BYTE *)(a2 + 44)) / 4096);
    if( v14 != -1 )
    {
      v7 = 0;
      *a5 = v15 - v14 + 1;
      *a7 = v10;
    }
  }
  if( v7 )
  {
    v19 = (volatile signed __int64 *)(a2 + 24);
    if( *(_BYTE *)(a1 + 57) )
    {
      ExReleaseSpinLockExclusiveFromDpcLevel((INT64 *)(a2 + 24));
      __writecr8(v10);
    }
    else
    {
      if( (_InterlockedExchangeAdd64(v19, 0xFFFFFFFFFFFFFFFFui64) & 6) == 2 )
        ExfTryToWakePushLock((_EX_PUSH_LOCK *)(a2 + 24));
      LODWORD(a3) = 0;
      CurrentThread = (_ETHREAD *)KeGetCurrentThread();
      if( MiGetSystemRegionType(a2 + 24) == 1 )
        SessionId = MmGetSessionIdEx(CurrentThread->Tcb.ApcState.Process);
      else
        SessionId = -1;
      --CurrentThread->Tcb.SpecialApcDisable;
      v23 = ++CurrentThread->Tcb.AbAllocationRegionCount;
      v24 = ((char)CurrentThread->Tcb.AbEntrySummary | (char)CurrentThread->Tcb.AbOrphanedEntrySummary) ^ 0x3F;
      while( 1 )
      {
        v25 = !_BitScanReverse((unsigned int *)&v26, v24);
        a6 = v26;
        if( v25 )
          break;
        v27 = &CurrentThread->Tcb.LockEntries[v26];
        v24 &= ~(1 << v26);
        if( (v27->AcquiredByte & 1) != 0
          && (v27->LockState.$E8276A2CF8B819ED32D1B6FEB35D730A::_bf_0 & 1) == 0
          && (v27->LockState.$E8276A2CF8B819ED32D1B6FEB35D730A::_bf_0 & 0x7FFFFFFFFFFFFFFCi64) == ((unsigned __int64)v19 & 0x7FFFFFFFFFFFFFFCi64)
          && v27->LockState.SessionId == SessionId )
        {
          v27->AcquiredByte &= ~1u;
          if( v27->LockState.$E8276A2CF8B819ED32D1B6FEB35D730A::_bf_0 )
          {
            if( v27 )
            {
              v27->CrossThreadReleasableAndBusyByte |= 2u;
              if( v27->LockState.$E8276A2CF8B819ED32D1B6FEB35D730A::_bf_0 < 0 )
                KiAbEntryRemoveFromTree(v27);
              LODWORD(a3) = v27->BoostBitmap.AllFields & 0x1FFFF;
              v27->BoostBitmap.AllFields &= 0xFFFE0000;
              v27->ThreadLocalFlags &= ~1u;
              v27->LockState.$E8276A2CF8B819ED32D1B6FEB35D730A::_bf_0 = 0i64;
              v28 = v27 - CurrentThread->Tcb.LockEntries;
              if( v23 == 1 )
                CurrentThread->Tcb.AbEntrySummary |= 1 << v28;
              else
                _InterlockedOr8((volatile signed __int8 *)&CurrentThread->Tcb.AbOrphanedEntrySummary, 1 << v28);
              goto LABEL_37;
            }
            break;
          }
        }
      }
      if( (*(&CurrentThread->Tcb.MiscFlags + 1) & 0x10000) == 0 )
        KeBugCheckEx(0x162u, CurrentThread, (PVOID)(a2 + 24), (PVOID)SessionId, 0i64);
LABEL_37:
      --CurrentThread->Tcb.AbAllocationRegionCount;
      KiAbThreadRemoveBoosts(&CurrentThread->Tcb, (VOID *)(a2 + 24), &a3);
      v25 = CurrentThread->Tcb.SpecialApcDisable++ == -1;
      if( v25
        && ($F25F8C4BA33AF922A5F1AF68CD89DDDF *)CurrentThread->Tcb.ApcState.ApcListHead[0].Flink != &CurrentThread->Tcb.152 )
      {
        KiCheckForKernelApcDelivery();
      }
      KiLeaveGuardedRegionUnsafe((__int64)KeGetCurrentThread());
    }
  }
  return v14;
}

Referenced by: