On Thu 01-11-18 18:00:12, Miles Chen wrote: [...] > I did a test today, the only code changed is to clamp to read count to > PAGE_SIZE and it worked well. Maybe we can solve this issue by just > clamping the read count. > > count = count > PAGE_SIZE ? PAGE_SIZE : count; This i what Matthew was proposing AFAIR. At least as a stop gap solution. Maybe we want to extend this to a more standard implementation later on (e.g. seq_file). -- Michal Hocko SUSE Labs