MiDecrementProtoShareCounts

VOID __fastcall MiDecrementProtoShareCounts(INT64 a1, INT64 a2){
  INT64 v2; 
  volatile signed __int64 *v3; 
  unsigned __int64 v4; 
  if( a2 )
  {
    v2 = a2;
    v3 = (volatile signed __int64 *)((char *)MmGetPfnDb() + 48 * a1);
    do
    {
      v4 = (unsigned __int8)MiLockPageInline((INT64)v3);
      MiDecrementShareCount((UINT64)v3);
      _InterlockedAnd64(v3 + 3, 0x7FFFFFFFFFFFFFFFui64);
      __writecr8(v4);
      v3 += 6;
      --v2;
    }
    while( v2 );
  }
}

Referenced by:

MiAllocateFileExtents