On Tue, 18 Oct 2022 09:00:22 +0000 xu xin <xu.xin.sc@xxxxxxxxx> wrote: > >A full description of the real-world end-user operational benefits of > >these changes would help, please. > > > > The core idea of this patch set is to enable users to perceive the number of any > pages merged by KSM, regardless of whether use_zero_page switch has been turned > on, so that users can know how much free memory increase is really due to their > madvise(MERGEABLE) actions. OK, thanks. > The motivation for me to do this is that when I do > an application optimization of KSM on embedded Linux for 5G platform, I find > that ksm_merging_pages of some process becomes very small(but used to be large), > which led me to think that there was any problem with the application KSM-madvise > strategy, but in fact, it was only because use_zero_pages is on. Please expand on the above motivation and experience, and include it in the [0/n] changelog. But let's leave it a few days to see if there's additional reviewer input.
