this utility is harmful for RAM or OS or Application??

[AshaDip]

Is this utility harmful for RAM or OS or Application??

GC.Collect(GC.MaxGeneration);
GC.WaitForPendingFinalizers();
SetProcessWorkingSetSize(Process.GetCurrentProcess ().Handle,
(UIntPtr)0xFFFFFFFF, (UIntPtr)0xFFFFFFFF);