On Mon, Apr 27, 2020 at 11:29:30AM -0700, bseg...@google.com wrote: > Huaixin Chang <changhuai...@linux.alibaba.com> writes: > > > When users write some huge number into cpu.cfs_quota_us or > > cpu.rt_runtime_us, overflow might happen during to_ratio() shifts of > > schedulable checks. > > > > to_ratio() could be altered to avoid unnecessary internal overflow, but > > min_cfs_quota_period is less than 1 << BW_SHIFT, so a cutoff would still > > be needed. Set a cap MAX_BW for cfs_quota_us and rt_runtime_us to > > prevent overflow. > > Reviewed-by: Ben Segall <bseg...@google.com>
Thanks!
