On Thu 21-03-19 17:13:54, Tetsuo Handa wrote: > On 2019/03/21 0:25, Petr Mladek wrote: > >> This requires serialization among threads using "rs". I already > >> proposed ratelimit_reset() for memcg's OOM problem at > >> https://lkml.kernel.org/r/[email protected] > >> but it was not accepted. > > > > IMHO, the main problem was that the patch tried to work around > > the ratelimit API weakness by a custom code. > > > > I believe that using an improved/extended ratelimit API with > > a sane semantic would be more acceptable. > > > > Michal, are you OK to use ratelimit_reset() in out_of_memory() > if ratelimit_reset() is accepted?
I do not know what ratelimit_reset is but if that is a new API for a more reasonable ratelimiting then sure, I do not have any objections. I have been objecting to one-off hacks to workaround problems of the existing api. -- Michal Hocko SUSE Labs

