A presentation on the RadixVM virtual memory system, given to CS854 at U of Waterloo.
Clements, Austin T., M. Frans Kaashoek, and Nickolai Zeldovich. "RadixVM: Scalable address spaces for multithreaded applications." In Proceedings of the 8th ACM European Conference on Computer Systems, pp. 211-224. ACM, 2013.
A revised version of the paper is available at https://pdos.csail.mit.edu/papers/radixvm:eurosys13-2014-08-05.pdf