MiReleasePageFileInfo

VOID __fastcall MiReleasePageFileInfo(
        INT64 a1,
        UINT64 a2,
        CHAR a3,
        INT64 a4,
        INT64 a5,
        INT64 a6,
        INT64 a7,
        INT64 a8,
        INT64 a9,
        INT64 a10,
        INT64 a11,
        INT64 a12){
  UINT64 v12; 
  unsigned __int64 v13; 
  UINT64 v14; 
  UINT64 v15; 
  __int64 v16; 
  INT64 *v17; 
  int v18; 
  KIRQL v19; 
  __int64 v20; 
  __int64 v21; 
  int v23; 
  v12 = a2;
  if( qword_140C4DC80 && (a2 & 0x10) == 0 )
    v12 = a2 & ~qword_140C4DC80;
  v13 = HIDWORD(v12);
  v14 = (a2 >> 1) & 1;
  v15 = (a2 >> 2) & 1;
  v23 = 0;
  v16 = *(_QWORD *)(a1 + 8i64 * ((unsigned __int16)a2 >> 12) + 6944);
  v17 = (INT64 *)(v16 + 232);
  v18 = a3 & 1;
  if( (a3 & 1) != 0 )
  {
    ExAcquireSpinLockExclusiveAtDpcLevel(v17);
    v19 = 2;
  }
  else
  {
    v19 = ExAcquireSpinLockExclusive((PEX_SPIN_LOCK)v17);
  }
  v20 = *(_QWORD *)(v16 + 112);
  if( (_DWORD)v14 )
  {
    _bittestandreset(*(signed __int32 **)(v20 + 32), v13);
    ++*(_QWORD *)(v16 + 48);
  }
  if( (_DWORD)v15 )
  {
    if( (a3 & 2) == 0 )
      MiClearPageFileHash(v16, v13);
    if( (*(_BYTE *)(v16 + 204) & 0x40) != 0 )
    {
      MiStoreSetEvictPageFile(v16, v13);
      goto LABEL_13;
    }
    _bittestandreset(*(signed __int32 **)(v20 + 16), v13);
    v21 = ++*(_QWORD *)(v16 + 24);
    if( (unsigned int)v13 < *(_DWORD *)(v16 + 120) )
      *(_DWORD *)(v16 + 120) = v13;
    ++*(_DWORD *)(v16 + 128);
    if( v21 == 1 && (*(_BYTE *)(v16 + 206) & 1) != 0 )
      v23 = 1;
  }
  if( ((_DWORD)v14 || !_bittest64(*(const signed __int64 **)(v20 + 32), v13))
    && ((_DWORD)v15 || !_bittest64(*(const signed __int64 **)(v20 + 16), v13)) )
  {
    MiCoalescePageFileBitmapsCache(v16, (unsigned int)v14, (unsigned int)v13);
    _InterlockedExchange(
      (volatile __int32 *)(*(_QWORD *)(v16 + 248) + 872i64),
      (*(_DWORD *)(*(_QWORD *)(v16 + 248) + 872i64) & 0xFFFFFC00 | 0x200) + 1024);
  }
LABEL_13:
  ExReleaseSpinLockExclusiveFromDpcLevel((INT64 *)(v16 + 232));
  if( !v18 )
    __writecr8(v19);
  if( v23 == 1 )
    KeSetEvent((PRKEVENT)(a1 + 880), 0);
}

Referenced by: