On Tue, 3 Apr 2018 18:11:19 +0200 Michal Hocko <mhocko@xxxxxxxxxx> wrote: > yes a fallback is questionable. Whether to make the batch size > configuration is a matter of how much internal details you want to > expose to userspace. Well, it is tracing the guts of the kernel, so internal details are generally exposed to userspace ;-) -- Steve