Michal Hocko's on July 11, 2019 6:25 pm: > On Thu 11-07-19 13:03:39, Nicholas Piggin wrote: >> Remove page table allocator "quicklists". These have been around for a >> long time, but have not got much traction in the last decade and are >> only used on ia64 and sh architectures. >> >> The numbers in the initial commit look interesting but probably don't >> apply anymore. If anybody wants to resurrect this it's in the git >> history, but it's unhelpful to have this code and divergent allocator >> behaviour for minor archs. >> >> Also it might be better to instead make more general improvements to >> page allocator if this is still so slow. > > Agreed. And if that is not possible for whatever reason then we have a > proper justification for the revert at least. > > Acked-by: Michal Hocko <mhocko@xxxxxxxx> Thanks. If it's agreed with ia64 and sh maintainers, I can send individual patches through their trees, then the removal patch will be functionally a nop that can be easily pushed through. Thanks, Nick