I consider (size+2047)/2048*2048 to be an optimization. If I was to explain the process to another person, I would use the algorithm I wrote above; I would lite

I consider (size+2047)/2048*2048 to be an optimization. If I was to explain the process to another person, I would use the algorithm I wrote above; I would literally say, "If size is already a multiple of 2048, just use that, otherwise, add on enough to make it a multiple of 2048."