RtlpHpSegMgrCommitInitiate

INT64 __fastcall RtlpHpSegMgrCommitInitiate(INT64 a1, volatile INT16 *a2, INT64 a3, INT64 a4, UINT64 P2, UINT8 *a6){
  signed __int16 v6; 
  UINT64 v7; 
  int v8; 
  UINT8 v9; 
  int v10; 
  __int16 v12; 
  __int16 v13; 
  unsigned __int16 v14; 
  bool v15; 
  signed __int16 v16; 
  unsigned int v17; 
  __int16 v19; 
  _ETHREAD *CurrentThread; 
  unsigned int SessionId; 
  char v22; 
  int v23; 
  __int64 v24; 
  unsigned __int64 v25; 
  __int64 v26; 
  INT64 v27; 
  int v28; 
  __int16 v29; 
  int v30; 
  v30 = a4;
  v27 = a1;
  v6 = *a2;
  v7 = P2;
  v8 = 0;
  v9 = 0;
  v10 = a3;
  while( 1 )
  {
    while( 1 )
    {
      v12 = v6;
      v29 = v6;
      if( v10 <= 0 )
        break;
      if( (v6 & 0x4000) == 0 )
      {
        if( (v6 & 0x7FF) != 0 )
        {
LABEL_6:
          v13 = v29;
LABEL_7:
          a1 = v27;
LABEL_8:
          v14 = v10 + v13;
          goto LABEL_9;
        }
        if( (a4 & 3) != 0 )
        {
          if( (a4 & 2) == 0 )
            goto LABEL_6;
          v19 = v6;
        }
        else
        {
          if( !RtlpHpSegMgrApplyLargePagePolicy(a1) )
            goto LABEL_6;
          v19 = v29;
        }
        v13 = v19 | 0x4000;
        goto LABEL_7;
      }
      _mm_pause();
      v6 = *a2;
    }
    if( v6 >= 0 )
    {
      v17 = -1073741567;
      goto LABEL_15;
    }
    v13 = v29;
    if( v10 + (v6 & 0x7FF) )
      goto LABEL_8;
    v14 = v29 | 0x4000;
LABEL_9:
    if( (v14 & 0x4000) != 0 )
    {
      v8 = 1;
      v9 = RtlpHpAcquireLockExclusive((INT64 *)v7, *(_DWORD *)(a1 + 40) & 1);
    }
    v16 = _InterlockedCompareExchange16(a2, v14, v6);
    v15 = v6 == v16;
    v6 = v16;
    if( v15 )
      break;
    if( v8 )
    {
      if( (*(_DWORD *)(v27 + 40) & 1) != 0 )
      {
        ExReleaseSpinLockExclusiveFromDpcLevel((INT64 *)v7);
        __writecr8(v9);
      }
      else
      {
        if( (_InterlockedExchangeAdd64((volatile signed __int64 *)v7, 0xFFFFFFFFFFFFFFFFui64) & 6) == 2 )
          ExfTryToWakePushLock((volatile INT64 *)v7);
        v28 = 0;
        CurrentThread = (_ETHREAD *)KeGetCurrentThread();
        if( (unsigned int)MiGetSystemRegionType(v7) == 1 )
          SessionId = MmGetSessionIdEx(*((_QWORD *)CurrentThread + 23));
        else
          SessionId = -1;
        --*((_WORD *)CurrentThread + 243);
        v22 = ++*((_BYTE *)CurrentThread + 794);
        v23 = (*((char *)CurrentThread + 792) | *((char *)CurrentThread + 870)) ^ 0x3F;
        while( 1 )
        {
          v15 = !_BitScanReverse((unsigned int *)&v24, v23);
          if( v15 )
            break;
          v25 = *((_QWORD *)CurrentThread + 100) + 96 * v24;
          v23 &= ~(1 << v24);
          if( (*(_BYTE *)(v25 + 26) & 1) != 0
            && (*(_DWORD *)(v25 + 32) & 1) == 0
            && (*(_QWORD *)(v25 + 32) & 0x7FFFFFFFFFFFFFFCi64) == (v7 & 0x7FFFFFFFFFFFFFFCi64)
            && *(_DWORD *)(v25 + 40) == SessionId )
          {
            *(_BYTE *)(v25 + 26) &= ~1u;
            if( *(_QWORD *)(v25 + 32) )
            {
              if( v25 )
              {
                *(_BYTE *)(v25 + 32) |= 2u;
                if( *(__int64 *)(v25 + 32) < 0 )
                  KiAbEntryRemoveFromTree(v25);
                v28 = 0;
                v28 = *(_DWORD *)(v25 + 88) & 0x1FFFF;
                *(_DWORD *)(v25 + 88) &= 0xFFFE0000;
                *(_BYTE *)(v25 + 25) &= ~1u;
                *(_QWORD *)(v25 + 32) = 0i64;
                v26 = (__int64)(v25 - *((_QWORD *)CurrentThread + 100)) / 96;
                if( v22 == 1 )
                  *((_BYTE *)CurrentThread + 792) |= 1 << v26;
                else
                  _InterlockedOr8((volatile signed __int8 *)CurrentThread + 870, 1 << v26);
                goto LABEL_49;
              }
              break;
            }
          }
        }
        if( (*((_DWORD *)CurrentThread + 30) & 0x10000) == 0 )
          KeBugCheckEx(0x162u, (ULONG_PTR)CurrentThread, v7, SessionId, 0i64);
LABEL_49:
        --*((_BYTE *)CurrentThread + 794);
        KiAbThreadRemoveBoosts((ULONG_PTR)CurrentThread, v7, (unsigned int *)&v28);
        v15 = (*((_WORD *)CurrentThread + 243))++ == 0xFFFF;
        if( v15 && *((_ETHREAD **)CurrentThread + 19) != (_ETHREAD *)((char *)CurrentThread + 152) )
          KiCheckForKernelApcDelivery();
        KiLeaveGuardedRegionUnsafe((__int64)KeGetCurrentThread());
      }
      v8 = 0;
    }
    a1 = v27;
    LOBYTE(a4) = v30;
  }
  if( v10 <= 0 )
  {
    v17 = (v14 >> 13) & 2 | 0xC0000100;
  }
  else if( v12 >= 0 )
  {
    v17 = ((v14 & 0x4000) != 0) - 1073741567;
  }
  else
  {
    v17 = -1073741568;
  }
LABEL_15:
  if( v8 )
    *a6 = v9;
  return v17;
}

Referenced by: