Latency implications of virtual memory

[Erik Rigtorp]

Previously Wojciech Kudla posted an article about TLB shootdowns: http://bitcharmer.blogspot.com/2020/05/t_84.html. It doesn't cover all sources of TLB shootdowns, in particular writeback of page cache data.

I've summarized all (as far as I know) reasons for programs stalls related to virtual memory on Linux in my article "Latency implications of virtual memory": https://rigtorp.se/virtual-memory/