On Fri, 18 Jun 2021 at 10:31, Michael Stapelberg <stapelberg+linux@xxxxxxxxxx> wrote: > Maybe, but I don’t have the expertise, motivation or time to > investigate this any further, let alone commit to get it done. > During our previous discussion I got the impression that nobody else > had any cycles for this either: > https://lore.kernel.org/linux-fsdevel/CANnVG6n=ySfe1gOr=0ituQidp56idGARDKHzP0hv=ERedeMrMA@xxxxxxxxxxxxxx/ > > Have you had a look at the China LSF report at > http://bardofschool.blogspot.com/2011/? > The author of the heuristic has spent significant effort and time > coming up with what we currently have in the kernel: > > """ > Fengguang said he draw more than 10K performance graphs and read even > more in the past year. > """ > > This implies that making changes to the heuristic will not be a quick fix. Having a piece of kernel code sitting there that nobody is willing to fix is certainly not a great situation to be in. And introducing band aids is not going improve the above situation, more likely it will prolong it even further. Thanks, Miklos
