MiAllocateFastLargePagesForMdl

INT64 __stdcall MiAllocateFastLargePagesForMdl(UINT64 rcx0, UINT64 edx0, INT8 a3){
  unsigned int v4; 
  int v6; 
  __int64 v7; 
  __int64 v8; 
  int v9; 
  int v10; 
  unsigned __int64 v11; 
  CHAR v12; 
  INT64 LargeZeroPages; 
  int v14; 
  unsigned __int8 CurrentIrql; 
  __int64 v16; 
  _QWORD *v17; 
  INT64 *v18; 
  unsigned __int64 v19; 
  INT64 v20; 
  unsigned int v21; 
  __int64 v22; 
  __int64 v23; 
  UINT64 ProtectionMask; 
  INT64 v25[2]; 
  __int128 v26; 
  INT64 result[23]; 
  int v28; 
  v4 = edx0;
  memset((INT64)result, 0i64);
  v6 = *(_DWORD *)(rcx0 + 60);
  v7 = *(_QWORD *)(rcx0 + 64);
  v8 = 4i64;
  *(_OWORD *)v25 = 0i64;
  v26 = 0i64;
  if( v6 )
  {
    if( v6 == 2 )
    {
      v9 = 28;
    }
    else
    {
      v9 = 4;
      if( v6 == 3 )
        v9 = 0;
    }
  }
  else
  {
    v9 = 12;
  }
  v10 = a3 & 1;
  v11 = (unsigned __int64)*(unsigned int *)(v7 + 40) >> 12;
  v12 = (2 * v10 + 1) | 4;
  if( *(_QWORD *)(rcx0 + 16) != 0x100000i64 )
    v12 = 2 * v10 + 1;
  LODWORD(ProtectionMask) = v9;
  LargeZeroPages = MiAllocateLargeZeroPages(
                     *(_QWORD *)rcx0,
                     *(_QWORD *)(rcx0 + 40) - v11,
                     *(_QWORD *)(rcx0 + 32),
                     v4,
                     ProtectionMask,
                     (INT64)v25,
                     v12);
  v14 = LargeZeroPages;
  if( LargeZeroPages )
  {
    CurrentIrql = KeGetCurrentIrql();
    MiInitializeDpcGang((INT64)result, v4, CurrentIrql < 2u ? 0 : 2);
    v28 |= 0x40u;
    v16 = 0i64;
    *(_QWORD *)(rcx0 + 72) = *((_QWORD *)KeGetCurrentThread() + 23);
    result[0] = rcx0;
    v17 = (_QWORD *)(v7 + 48 + 8 * v11);
    do
    {
      v18 = (INT64 *)v25[v16];
      v19 = MiLargePageSizes[v16];
      if( v18 )
      {
        do
        {
          v20 = *v18;
          v21 = 0;
          v22 = ((char *)v18 - (char *)MmGetPfnDb()) / 48;
          if( v19 )
          {
            v23 = 0i64;
            do
            {
              ++v21;
              *v17++ = v22 + v23;
              v23 = v21;
            }
            while( v21 < v19 );
          }
          MiInsertDpcGang((INT64)result, v18);
          v18 = (INT64 *)v20;
        }
        while( v20 );
      }
      ++v16;
      --v8;
    }
    while( v8 );
    *(_DWORD *)(v7 + 40) += v14 << 12;
    MiStartDpcGang((UINT64 *)result);
    MiEndDpcGang((INT64)result);
    *(_QWORD *)(v7 + 16) = 0i64;
    LargeZeroPages = 2i64;
    *(_WORD *)(v7 + 10) |= 2u;
    if( v10 )
      *(_QWORD *)(v7 + 24) = 1i64;
  }
  return LargeZeroPages;
}

Referenced by: