private protected unsafe UnmanagedMemory(int length, bool zeroMem)
{
var size = SizeOf(length);
address = Marshal.AllocHGlobal(new IntPtr(size));
GC.AddMemoryPressure(size);
Length = length;
if (zeroMem)
{
Intrinsics.ClearBits(address.ToPointer(), size);
}
owner = true;
}