On Sat, May 09, 2020 at 12:05:29PM -0700, Andy Lutomirski wrote: > On x86_64, the only real advantage is that the handful of corner cases > that make vmalloc faults unpleasant (mostly relating to vmap stacks) > go away. On x86_32, a bunch of mind-bending stuff (everything your > series deletes but also almost everything your series *adds*) goes > away. There may be a genuine tiny performance hit on 2-level systems > due to the loss of huge pages in vmalloc space, but I'm not sure I > care or that we use them anyway on these systems. And PeterZ can stop > even thinking about RCU. > > Am I making sense? I think it'll work for x86_64 and that is really all I care about :-)
