On Fri, Jul 23, 2021 at 1:53 AM Michal Hocko <mhocko@xxxxxxxx> wrote: > [...] > > However > > retrying means issuing another syscall, so additional overhead... > > I guess such "best effort" approach would be unusual for a syscall, so > > maybe we can keep it as it is now and if such "do not block" mode is needed > > we can use flags to implement it later? > > Yeah, an explicit opt-in via flags would be an option if that turns out > to be really necessary. > I am fine with keeping it as it is but we do need the non-blocking option (via flags) to enable userspace to act more aggressively.