Hello, On Thu, Sep 28, 2023 at 09:58:58AM +0800, linan666@xxxxxxxxxxxxxxx wrote: > From: Li Nan <linan122@xxxxxxxxxx> > > When the throttle of bps is not enabled, tg_bps_limit() returns U64_MAX, > which is be used in calculate_bytes_allowed(), and divide 0 error will > happen. calculate_bytes_allowed() is just return mul_u64_u64_div_u64(bps_limit, (u64)jiffy_elapsed, (u64)HZ); The only division is by HZ. How does divide by 0 happen? Thanks. -- tejun
