Docker Performance With KPTI Page Table Isolation Patches Written by Michael Larabel in Operating Systems on 6 January 2018 at 12:00 PM EST. Page 1 of 3. 18 Comments. Overall most of our benchmarks this week of the new Linux Kernel Page Table Isolation (KPTI) patches coming as a result of the Meltdown vulnerability have showed minimal impact overall on system performance. The exceptions have obvio